import html
import math
from urllib.parse import quote, urlencode

from fastapi import APIRouter, Depends, Form, HTTPException, Query, Request
from fastapi.responses import HTMLResponse, RedirectResponse

from ..auth import require_user
from ..config import (
    DEFAULT_APPFACTORY_HOST,
    DEFAULT_GITEA_ORG,
    DELETE_APP_SCRIPT,
    DEPLOY_SCRIPT,
    GENERATE_COMPOSE_SCRIPT,
    NEW_APP_SCRIPT,
    read_env_value,
)
from ..db.apps import (
    create_app_variable,
    delete_app_variable,
    get_app,
    get_app_deployments,
    get_app_templates,
    get_app_variables,
    get_apps,
    update_app_metadata,
    update_app_resources,
    update_app_variable,
)
from ..db.audit import log_audit_event
from ..db.health import get_latest_service_health, get_service_health, get_service_health_history
from ..db.incidents import get_service_incidents
from ..db.jobs import create_job, get_jobs, has_active_deploy_job
from ..routes.deployments import render_status_pill
from ..routes.incidents import render_incident_history_rows
from ..shell import run_command
from ..templates.layout import page, render_result

router = APIRouter()
DEFAULT_PAGE_SIZE = 20
METADATA_FIELDS = (
    "name",
    "description",
    "owner",
    "template",
    "runtime",
    "repository_url",
    "repository_name",
    "default_branch",
    "domain",
    "health_url",
    "container_port",
    "is_public",
    "is_enabled",
)


def clean_optional(value: str | None) -> str:
    return (value or "").strip()


def parse_optional_int(value: str | None) -> int | None:
    value = clean_optional(value)
    if not value:
        return None
    try:
        return int(value)
    except ValueError:
        raise HTTPException(status_code=400, detail="Neplatne cislo")


def bool_checked(value) -> str:
    return " checked" if value else ""


def render_template_options(templates: list[dict], selected_template: str) -> str:
    options = ['<option value="">Bez &scaron;ablony</option>']
    for template in templates:
        name = template.get("name", "") or ""
        runtime = template.get("runtime", "") or ""
        description = template.get("description", "") or ""
        label_parts = [name]
        if runtime:
            label_parts.append(runtime)
        if description:
            label_parts.append(description)
        selected = " selected" if selected_template == name else ""
        options.append(
            f'<option value="{html.escape(name)}"{selected}>{html.escape(" - ".join(label_parts))}</option>'
        )
    return "".join(options)


def diff_metadata(before: dict, after: dict) -> dict:
    changes = {}
    for field in METADATA_FIELDS:
        old_value = before.get(field)
        new_value = after.get(field)
        if field in ("is_public", "is_enabled"):
            changed = bool(old_value) != bool(new_value)
        else:
            changed = str(old_value or "") != str(new_value or "")
        if changed:
            changes[field] = {"old": old_value, "new": new_value}
    return changes


def render_health_status(status: str | None) -> str:
    value = status or ""
    normalized = value.lower()
    labels = {
        "healthy": "zdravá",
        "unhealthy": "nezdravá",
        "unreachable": "nedostupná",
    }
    class_name = "pill pill-muted"
    if normalized == "healthy":
        class_name = "pill pill-success"
    elif normalized == "unhealthy":
        class_name = "pill pill-warning"
    elif normalized == "unreachable":
        class_name = "pill pill-danger"
    return f'<span class="{class_name}">{html.escape(labels.get(normalized, value or "neznámá"))}</span>'


def render_health_dot(status: str | None, checked_at: str | None) -> str:
    normalized = (status or "").lower()
    labels = {
        "healthy": "zdravá",
        "unhealthy": "nezdravá",
        "unreachable": "nedostupná",
    }
    class_name = "health-dot health-dot-muted"
    if normalized == "healthy":
        class_name = "health-dot health-dot-success"
    elif normalized == "unhealthy":
        class_name = "health-dot health-dot-warning"
    elif normalized == "unreachable":
        class_name = "health-dot health-dot-danger"

    label = labels.get(normalized, "zdraví neznámé")
    title = label
    if checked_at:
        title = f"{label}, poslední kontrola: {checked_at}"
    return f'<span class="{class_name}" title="{html.escape(title)}" aria-label="{html.escape(title)}"></span>'


@router.get("/")
def portal_home(user=Depends(require_user)):
    return RedirectResponse(url="/portal/operations", status_code=303)


@router.get("/apps", response_class=HTMLResponse)
def apps_page(
    request: Request,
    q: str = Query(""),
    status: str = Query(""),
    page_number: int = Query(1, alias="page", ge=1),
    user=Depends(require_user),
):
    apps = get_apps()
    latest_health = get_latest_service_health()
    query = q.strip()
    selected_status = status.strip()
    if query:
        apps = [
            item for item in apps
            if query.lower() in (item.get("id", "") or "").lower()
            or query.lower() in (item.get("name", "") or "").lower()
        ]
    if selected_status:
        apps = [item for item in apps if (item.get("status", "") or "") == selected_status]
    sort = request.query_params.get("sort", "").strip()
    if sort == "health":
        order = {"unreachable": 0, "unhealthy": 1, "healthy": 2}
        apps = sorted(
            apps,
            key=lambda item: (
                order.get((latest_health.get(item.get("id", "")) or {}).get("status"), 3),
                item.get("id", ""),
            ),
        )
    status_values = sorted({item.get("status", "") for item in get_apps() if item.get("status")})
    total_apps = len(apps)
    total_pages = max(1, math.ceil(total_apps / DEFAULT_PAGE_SIZE))
    if page_number > total_pages:
        page_number = total_pages
    offset = (page_number - 1) * DEFAULT_PAGE_SIZE
    apps = apps[offset : offset + DEFAULT_PAGE_SIZE]

    gitea_url = read_env_value("GITEA_URL", "")
    gitea_org = read_env_value("GITEA_ORG", DEFAULT_GITEA_ORG)
    host = read_env_value("APPFACTORY_HOST", DEFAULT_APPFACTORY_HOST)

    rows = ""

    for index, item in enumerate(apps, start=1):
        app_id = html.escape(item.get("id", ""))
        app_url_id = quote(item.get("id", ""), safe="")
        resource_modal_id = f"resources-{page_number}-{index}"
        status = html.escape(item.get("status", ""))
        health = latest_health.get(item.get("id", "")) or {}
        health_checked_at = html.escape(health.get("checked_at", "") or "")
        health_dot = render_health_dot(health.get("status"), health.get("checked_at"))
        docs = html.escape(item.get("docs", f"/apps/{app_id}/docs"))
        memory = html.escape(item.get("memory", "") or "")
        cpus = html.escape(item.get("cpus", "") or "")
        memory_label = memory or "výchozí"
        cpus_label = cpus or "výchozí"

        http_clone = html.escape(f"git clone {gitea_url}/{gitea_org}/{app_id}.git")
        ssh_clone = html.escape(f"git clone ssh://git@{host}:2222/{gitea_org}/{app_id}.git")

        rows += f"""
        <tr class="service-row">
            <td class="service-name-cell">
                <div class="service-title">
                    {health_dot}
                    <div>
                        <strong>{app_id}</strong><br>
                        <span class="muted">/apps/{app_id}</span>
                    </div>
                </div>
            </td>
            <td><span class="pill">{status}</span></td>
            <td><a href="{docs}" target="_blank" rel="noopener">Swagger</a></td>
            <td>
                <div class="resource-summary">
                    <span>Paměť: <strong>{memory_label}</strong></span>
                    <span>CPU: <strong>{cpus_label}</strong></span>
                    <button type="button" class="btn btn-compact btn-secondary" onclick="openResourceModal('{resource_modal_id}')">Upravit</button>
                </div>
                <dialog class="resource-modal" id="{resource_modal_id}">
                    <form method="post" action="/portal/update-resources">
                        <input type="hidden" name="app_id" value="{app_id}">
                        <div class="modal-header">
                            <h3>Prostředky služby</h3>
                            <button type="button" class="icon-button" onclick="closeResourceModal('{resource_modal_id}')" aria-label="Zavřít">×</button>
                        </div>
                        <p class="muted">Paměť je limit RAM. CPU určuje maximální podíl výpočetního výkonu. Příklad: 0,50 = polovina jádra, 1,00 = celé jádro.</p>
                        <label>Paměť</label>
                        <input name="memory" value="{memory}" placeholder="např. 512m, 1g nebo prázdné pro výchozí">
                        <label>CPU</label>
                        <input name="cpus" value="{cpus}" placeholder="např. 0.50, 1.00 nebo prázdné pro výchozí">
                        <div class="modal-actions">
                            <button type="button" class="btn btn-secondary" onclick="closeResourceModal('{resource_modal_id}')">Zrušit</button>
                            <button type="submit">Použít</button>
                        </div>
                    </form>
                </dialog>
            </td>
            <td>
                <details class="clone-details">
                    <summary>Příkazy pro klonování</summary>
                    <label class="muted">HTTP</label>
                    <div class="cmd-row">
                        <input readonly value="{http_clone}" id="http-{app_id}">
                        <button type="button" onclick="return copyText(this)">Kopírovat</button>
                    </div>

                    <label class="muted">SSH</label>
                    <div class="cmd-row">
                        <input readonly value="{ssh_clone}" id="ssh-{app_id}">
                        <button type="button" onclick="return copyText(this)">Kopírovat</button>
                    </div>
                </details>
            </td>
            <td class="actions-cell service-actions">
                <a class="btn" href="/portal/apps/{app_url_id}">Detail</a>
                <a class="btn btn-secondary" href="/portal/deployments?app_id={app_url_id}">Nasazení</a>
                <details class="action-menu">
                    <summary aria-label="Další akce">...</summary>
                    <div class="action-menu-panel">
                        <form method="post" action="/portal/apps/{app_url_id}/redeploy" onsubmit="return confirm('Spustit nové nasazení služby {app_id}?');">
                            <button type="submit" class="menu-action">Nasadit znovu</button>
                        </form>
                        <form method="post" action="/portal/delete-app" onsubmit="return confirm('Smazat {app_id}? Tím se odstraní kontejner, image, workspace, záznam v katalogu a Gitea repozitář.');">
                            <input type="hidden" name="app_id" value="{app_id}">
                            <button type="submit" class="menu-action menu-action-danger">Smazat</button>
                        </form>
                    </div>
                </details>
            </td>
        </tr>
        """

    if not rows:
        rows = '<tr><td colspan="6">Zatím nejsou nasazené žádné služby.</td></tr>'
    status_options = ['<option value="">Všechny stavy</option>']
    for value in status_values:
        selected = " selected" if selected_status == value else ""
        escaped_value = html.escape(value)
        status_options.append(f'<option value="{escaped_value}"{selected}>{escaped_value}</option>')
    first_item = offset + 1 if total_apps else 0
    last_item = min(offset + len(apps), total_apps)

    def page_url(page: int) -> str:
        params = {"page": page}
        if query:
            params["q"] = query
        if selected_status:
            params["status"] = selected_status
        if sort:
            params["sort"] = sort
        return f"/portal/apps?{urlencode(params)}"

    previous_link = (
        f'<a class="btn btn-secondary" href="{page_url(page_number - 1)}">Předchozí</a>'
        if page_number > 1
        else ""
    )
    next_link = (
        f'<a class="btn btn-secondary" href="{page_url(page_number + 1)}">Další</a>'
        if page_number < total_pages
        else ""
    )
    pagination = ""
    if total_pages > 1:
        pagination = f"""
            <div class="pagination">
                <span>Zobrazeno {first_item}-{last_item} z {total_apps}</span>
                <div class="pagination-actions">
                    {previous_link}
                    <span class="page-indicator">Strana {page_number} / {total_pages}</span>
                    {next_link}
                </div>
            </div>
        """

    return page(
        "Služby",
        f"""
        <div class="grid">
            <div class="card">
                <h2>Služby</h2>
                <p class="muted">Vytváření, nasazení, klonování, nastavení prostředků a mazání služeb.</p>
            </div>
            <div class="card">
                <h2>Zálohy</h2>
                <p class="muted">Vytváření záloh a kopírování příkazů pro obnovu. Obnova je záměrně ruční a chráněná.</p>
                <a class="btn" href="/portal/backups">Spravovat zálohy</a>
            </div>
            <div class="card">
                <h2>Nasazení</h2>
                <p class="muted">Historie posledních běhů nasazení, stavů a výstupů z deploy procesu.</p>
                <a class="btn" href="/portal/deployments">Zobrazit nasazení</a>
            </div>
        </div>

        <div class="card">
            <h2>Nasazené služby</h2>
            <p><a class="btn" href="/portal/new-app">+ Nová služba</a></p>
            <form method="get" action="/portal/apps" class="filter-form">
                <input name="q" value="{html.escape(query)}" placeholder="Název nebo ID služby">
                <select name="status">{"".join(status_options)}</select>
                <select name="sort">
                    <option value="">Výchozí řazení</option>
                    <option value="health"{" selected" if sort == "health" else ""}>Podle zdraví</option>
                </select>
                <input type="hidden" name="page" value="1">
                <button type="submit">Filtrovat</button>
                <a class="btn btn-secondary" href="/portal/apps">Reset</a>
            </form>
            {pagination}
            <table>
                <tr>
                    <th>Služba</th>
                    <th>Status</th>
                    <th>Dokumentace</th>
                    <th>Prostředky <span class="info-dot" title="Paměť je limit RAM. CPU určuje maximální podíl výpočetního výkonu. Příklad: 0,50 = polovina jádra, 1,00 = celé jádro.">i</span></th>
                    <th>Git</th>
                    <th>Akce</th>
                </tr>
                {rows}
            </table>
            {pagination}
        </div>
        """,
        user=user,
    )


@router.get("/apps/{app_id}", response_class=HTMLResponse)
def app_detail(app_id: str, request: Request, user=Depends(require_user)):
    app = get_app(app_id)
    if not app:
        raise HTTPException(status_code=404, detail="App not found")

    log_audit_event(
        user,
        action="service.health.view",
        target_type="service",
        target_id=app_id,
    )

    escaped_app_id = html.escape(app.get("id", ""))
    app_url_id = quote(app.get("id", ""), safe="")
    name = html.escape(app.get("name", "") or "")
    language = html.escape(app.get("language", "") or "")
    version = html.escape(app.get("version", "") or "")
    status = html.escape(app.get("status", "") or "")
    memory = html.escape(app.get("memory", "") or "")
    cpus = html.escape(app.get("cpus", "") or "")
    updated_at = html.escape(app.get("updated_at", "") or "")
    description = html.escape(app.get("description", "") or "")
    owner = html.escape(app.get("owner", "") or "")
    template_value = html.escape(app.get("template", "") or "")
    runtime = html.escape(app.get("runtime", "") or "")
    repository_url = html.escape(app.get("repository_url", "") or "")
    repository_name = html.escape(app.get("repository_name", "") or "")
    default_branch = html.escape(app.get("default_branch", "") or "")
    domain = html.escape(app.get("domain", "") or "")
    health_url = html.escape(app.get("health_url", "") or "")
    container_port = html.escape(str(app.get("container_port") or ""))
    is_public = bool(app.get("is_public"))
    is_enabled = bool(app.get("is_enabled"))
    templates = get_app_templates()
    template_options = render_template_options(templates, app.get("template", "") or "")
    variables = get_app_variables(app.get("id", ""))
    incidents = get_service_incidents(app.get("id", ""), limit=20)
    current_health = get_service_health(app.get("id", ""))
    health_history = get_service_health_history(app.get("id", ""), limit=50)

    rows = ""
    for deployment in get_app_deployments(app.get("id", ""), limit=10):
        deployment_id = html.escape(str(deployment.get("id", "")))
        started_at = html.escape(deployment.get("started_at", "") or "")
        triggered_by = html.escape(
            deployment.get("triggered_by_display_name")
            or deployment.get("triggered_by_username")
            or ""
        )
        rows += f"""
        <tr>
            <td><a href="/portal/deployments/{deployment_id}">#{deployment_id}</a></td>
            <td>{render_status_pill(deployment.get("status"))}</td>
            <td>{started_at}</td>
            <td>{triggered_by}</td>
        </tr>
        """

    if not rows:
        rows = '<tr><td colspan="4">Zatím nejsou evidovaná žádná nasazení této služby.</td></tr>'

    job_rows = ""
    for job in get_jobs(limit=100, target=app.get("id", "")):
        if job.get("target_type") != "app" or job.get("target_id") != app.get("id", ""):
            continue

        job_id = html.escape(str(job.get("id", "")))
        job_rows += f"""
        <tr>
            <td><a href="/portal/jobs/{job_id}">#{job_id}</a></td>
            <td>{render_status_pill(job.get("status"))}</td>
            <td>{html.escape(job.get("type", "") or "")}</td>
            <td>{html.escape(job.get("created_at", "") or "")}</td>
        </tr>
        """

    if not job_rows:
        job_rows = '<tr><td colspan="4">Zatím nejsou evidované žádné úlohy této služby.</td></tr>'

    health_status = render_health_status(current_health.get("status") if current_health else None)
    health_http_status = html.escape(str(current_health.get("http_status") or "")) if current_health else ""
    health_response_time = html.escape(str(current_health.get("response_time_ms") or "")) if current_health else ""
    health_checked_at = html.escape(current_health.get("checked_at", "") or "") if current_health else ""
    health_rows = ""
    for item in health_history:
        error_text = item.get("error_text", "") or ""
        error_preview = error_text if len(error_text) <= 140 else f"{error_text[:137]}..."
        health_rows += f"""
        <tr>
            <td>{html.escape(item.get("checked_at", "") or "")}</td>
            <td>{render_health_status(item.get("status"))}</td>
            <td>{html.escape(str(item.get("http_status") or ""))}</td>
            <td>{html.escape(str(item.get("response_time_ms") or ""))}</td>
            <td>{html.escape(error_preview)}</td>
        </tr>
        """

    if not health_rows:
        health_rows = '<tr><td colspan="5">Zatím nejsou evidované žádné kontroly zdraví.</td></tr>'

    variable_rows = ""
    for variable in variables:
        variable_id = html.escape(str(variable.get("id", "")))
        variable_key = html.escape(variable.get("key", "") or "")
        variable_value_raw = variable.get("value", "") or ""
        variable_is_secret = bool(variable.get("is_secret"))
        variable_value = "---" if variable_is_secret else html.escape(variable_value_raw)
        value_input = "" if variable_is_secret else html.escape(variable_value_raw)
        secret_checked = bool_checked(variable_is_secret)
        secret_hint = ' placeholder="---"' if variable_is_secret else ""
        variable_rows += f"""
        <tr>
            <td>{variable_key}</td>
            <td>{variable_value}</td>
            <td>{"Ano" if variable_is_secret else "Ne"}</td>
            <td>
                <form method="post" action="/portal/apps/{app_url_id}/variables/{variable_id}/update" class="inline-form variable-form">
                    <input name="key" value="{variable_key}" required>
                    <input name="value" value="{value_input}"{secret_hint}>
                    <label class="checkbox-label"><input type="checkbox" name="is_secret" value="1"{secret_checked}> Secret</label>
                    <button type="submit" class="btn btn-compact">Ulo&zcaron;it</button>
                </form>
                <form method="post" action="/portal/apps/{app_url_id}/variables/{variable_id}/delete" class="inline-form" onsubmit="return confirm('Smazat promennou {variable_key}?');">
                    <button type="submit" class="btn btn-secondary btn-compact">Smazat</button>
                </form>
            </td>
        </tr>
        """

    if not variable_rows:
        variable_rows = '<tr><td colspan="4">Zat&iacute;m nejsou evidovan&eacute; &zcaron;&aacute;dn&eacute; prom&ecaron;nn&eacute;.</td></tr>'

    return page(
        "Detail slu\u017eby",
        f"""
        <div class="card">
            <h2>{escaped_app_id}</h2>
            <p class="muted">{name}</p>
            <p>
                <a class="btn" href="/portal/apps">&larr; Zpět na služby</a>
                <a class="btn btn-secondary" href="/portal/deployments?app_id={app_url_id}">Nasazení služby</a>
                <a class="btn btn-secondary" href="/portal/jobs?target={app_url_id}">Úlohy služby</a>
            </p>
            <form method="post" action="/portal/apps/{app_url_id}/redeploy" onsubmit="return confirm('Spustit nové nasazení služby {escaped_app_id}?');">
                <button type="submit">Nasadit znovu</button>
            </form>
        </div>

        <div class="detail-tabs" aria-label="Sekce detailu slu&zcaron;by">
            <a class="btn btn-secondary" href="#metadata">Metadata</a>
            <a class="btn btn-secondary" href="#promenne">Prom&ecaron;nn&eacute;</a>
            <a class="btn btn-secondary" href="#historie">Historie</a>
        </div>

        <div class="card" id="metadata">
            <h2>Metadata</h2>
            <form method="post" action="/portal/apps/{app_url_id}/metadata" class="metadata-form">
                <label>N&aacute;zev</label>
                <input name="name" value="{name}" required>

                <label>Popis</label>
                <textarea name="description" rows="3">{description}</textarea>

                <label>Vlastn&iacute;k</label>
                <input name="owner" value="{owner}">

                <label>Template</label>
                <select name="template">{template_options}</select>

                <label>Runtime</label>
                <input name="runtime" value="{runtime}">

                <label>Repository URL</label>
                <input name="repository_url" value="{repository_url}">

                <label>Repository Name</label>
                <input name="repository_name" value="{repository_name}">

                <label>Default Branch</label>
                <input name="default_branch" value="{default_branch}">

                <label>Domain</label>
                <input name="domain" value="{domain}">

                <label>Health URL</label>
                <input name="health_url" value="{health_url}">

                <label>Container Port</label>
                <input name="container_port" value="{container_port}" inputmode="numeric">

                <label class="checkbox-label"><input type="checkbox" name="is_public" value="1"{bool_checked(is_public)}> Ve&rcaron;ejn&aacute; slu&zcaron;ba</label>
                <label class="checkbox-label"><input type="checkbox" name="is_enabled" value="1"{bool_checked(is_enabled)}> Aktivn&iacute; slu&zcaron;ba</label>

                <div class="form-actions">
                    <button type="submit">Ulo&zcaron;it metadata</button>
                </div>
            </form>
        </div>

        <div class="card" id="promenne">
            <h2>Prom&ecaron;nn&eacute;</h2>
            <table>
                <tr>
                    <th>Key</th>
                    <th>Value</th>
                    <th>Secret</th>
                    <th>Akce</th>
                </tr>
                {variable_rows}
            </table>

            <form method="post" action="/portal/apps/{app_url_id}/variables" class="metadata-form add-variable-form">
                <h3>P&rcaron;idat prom&ecaron;nnou</h3>
                <label>Key</label>
                <input name="key" required>
                <label>Value</label>
                <input name="value">
                <label class="checkbox-label"><input type="checkbox" name="is_secret" value="1"> Secret</label>
                <div class="form-actions">
                    <button type="submit">P&rcaron;idat prom&ecaron;nnou</button>
                </div>
            </form>
        </div>

        <div class="card">
            <h2>Souhrn</h2>
            <table>
                <tr><th>ID</th><td>{escaped_app_id}</td></tr>
                <tr><th>Název</th><td>{name}</td></tr>
                <tr><th>Popis</th><td>{description}</td></tr>
                <tr><th>Vlastn&iacute;k</th><td>{owner}</td></tr>
                <tr><th>Template</th><td>{template_value}</td></tr>
                <tr><th>Runtime</th><td>{runtime}</td></tr>
                <tr><th>Repository URL</th><td>{repository_url}</td></tr>
                <tr><th>Repository Name</th><td>{repository_name}</td></tr>
                <tr><th>Default Branch</th><td>{default_branch}</td></tr>
                <tr><th>Domain</th><td>{domain}</td></tr>
                <tr><th>Health URL</th><td>{health_url}</td></tr>
                <tr><th>Container Port</th><td>{container_port}</td></tr>
                <tr><th>Ve&rcaron;ejn&aacute; slu&zcaron;ba</th><td>{"Ano" if is_public else "Ne"}</td></tr>
                <tr><th>Aktivn&iacute; slu&zcaron;ba</th><td>{"Ano" if is_enabled else "Ne"}</td></tr>
                <tr><th>Jazyk</th><td>{language}</td></tr>
                <tr><th>Verze</th><td>{version}</td></tr>
                <tr><th>Status</th><td><span class="pill">{status}</span></td></tr>
                <tr><th>Paměť</th><td>{memory}</td></tr>
                <tr><th>CPU</th><td>{cpus}</td></tr>
                <tr><th>Upraveno</th><td>{updated_at}</td></tr>
                <tr><th>Logy</th><td><a href="/portal/jobs?target={app_url_id}">Zobrazit úlohy a logy</a></td></tr>
            </table>
        </div>

        <div class="card">
            <h2>Zdraví služby</h2>
            <table>
                <tr><th>Aktuální status</th><td>{health_status}</td></tr>
                <tr><th>HTTP status</th><td>{health_http_status}</td></tr>
                <tr><th>Odezva</th><td>{health_response_time}</td></tr>
                <tr><th>Poslední kontrola</th><td>{health_checked_at}</td></tr>
            </table>
        </div>

        <div class="card" id="historie">
            <h2>Historie kontrol</h2>
            <table>
                <tr>
                    <th>Čas</th>
                    <th>Status</th>
                    <th>HTTP status</th>
                    <th>Odezva</th>
                    <th>Chyba</th>
                </tr>
                {health_rows}
            </table>
        </div>

        <div class="card">
            <h2>Incidenty slu&zcaron;by</h2>
            <table>
                <tr>
                    <th>N&aacute;zev</th>
                    <th>Za&ccaron;&aacute;tek</th>
                    <th>Konec</th>
                    <th>Trv&aacute;n&iacute;</th>
                    <th>Stav</th>
                </tr>
                {render_incident_history_rows(incidents, include_service=False)}
            </table>
        </div>

        <div class="card">
            <h2>Historie nasazení</h2>
            <table>
                <tr>
                    <th>ID</th>
                    <th>Status</th>
                    <th>Čas</th>
                    <th>Spustil</th>
                </tr>
                {rows}
            </table>
        </div>

        <div class="card">
            <h2>Historie úloh</h2>
            <table>
                <tr>
                    <th>ID</th>
                    <th>Status</th>
                    <th>Typ</th>
                    <th>Vytvořeno</th>
                </tr>
                {job_rows}
            </table>
        </div>
        """,
        user=user,
    )


@router.post("/apps/{app_id}/metadata")
def save_app_metadata(
    app_id: str,
    name: str = Form(...),
    description: str = Form(""),
    owner: str = Form(""),
    template: str = Form(""),
    runtime: str = Form(""),
    repository_url: str = Form(""),
    repository_name: str = Form(""),
    default_branch: str = Form(""),
    domain: str = Form(""),
    health_url: str = Form(""),
    container_port: str = Form(""),
    is_public: str | None = Form(None),
    is_enabled: str | None = Form(None),
    user=Depends(require_user),
):
    app = get_app(app_id)
    if not app:
        raise HTTPException(status_code=404, detail="App not found")

    metadata = {
        "name": clean_optional(name),
        "description": clean_optional(description),
        "owner": clean_optional(owner),
        "template": clean_optional(template),
        "runtime": clean_optional(runtime),
        "repository_url": clean_optional(repository_url),
        "repository_name": clean_optional(repository_name),
        "default_branch": clean_optional(default_branch),
        "domain": clean_optional(domain),
        "health_url": clean_optional(health_url),
        "container_port": parse_optional_int(container_port),
        "is_public": bool(is_public),
        "is_enabled": bool(is_enabled),
    }

    changes = diff_metadata(app, metadata)
    update_app_metadata(app_id, metadata)
    if changes:
        log_audit_event(
            user,
            action="app.metadata.updated",
            target_type="app",
            target_id=app_id,
            metadata={"changes": changes},
        )

    return RedirectResponse(url=f"/portal/apps/{quote(app_id, safe='')}#metadata", status_code=303)


@router.post("/apps/{app_id}/variables")
def add_app_variable(
    app_id: str,
    key: str = Form(...),
    value: str = Form(""),
    is_secret: str | None = Form(None),
    user=Depends(require_user),
):
    app = get_app(app_id)
    if not app:
        raise HTTPException(status_code=404, detail="App not found")

    variable_key = clean_optional(key)
    if not variable_key:
        raise HTTPException(status_code=400, detail="Key is required")

    create_app_variable(app_id, variable_key, value, bool(is_secret))
    log_audit_event(
        user,
        action="app.variable.created",
        target_type="app",
        target_id=app_id,
        metadata={"key": variable_key, "is_secret": bool(is_secret)},
    )

    return RedirectResponse(url=f"/portal/apps/{quote(app_id, safe='')}#promenne", status_code=303)


@router.post("/apps/{app_id}/variables/{variable_id}/update")
def save_app_variable(
    app_id: str,
    variable_id: int,
    key: str = Form(...),
    value: str = Form(""),
    is_secret: str | None = Form(None),
    user=Depends(require_user),
):
    app = get_app(app_id)
    if not app:
        raise HTTPException(status_code=404, detail="App not found")

    existing = next((item for item in get_app_variables(app_id) if int(item.get("id")) == variable_id), None)
    if not existing:
        raise HTTPException(status_code=404, detail="Variable not found")

    variable_key = clean_optional(key)
    if not variable_key:
        raise HTTPException(status_code=400, detail="Key is required")

    stored_value = None if existing.get("is_secret") and value == "" else value
    update_app_variable(variable_id, app_id, variable_key, stored_value, bool(is_secret))
    log_audit_event(
        user,
        action="app.variable.updated",
        target_type="app",
        target_id=app_id,
        metadata={"key": variable_key, "is_secret": bool(is_secret)},
    )

    return RedirectResponse(url=f"/portal/apps/{quote(app_id, safe='')}#promenne", status_code=303)


@router.post("/apps/{app_id}/variables/{variable_id}/delete")
def remove_app_variable(app_id: str, variable_id: int, user=Depends(require_user)):
    app = get_app(app_id)
    if not app:
        raise HTTPException(status_code=404, detail="App not found")

    existing = next((item for item in get_app_variables(app_id) if int(item.get("id")) == variable_id), None)
    if not existing:
        raise HTTPException(status_code=404, detail="Variable not found")

    delete_app_variable(variable_id, app_id)
    log_audit_event(
        user,
        action="app.variable.deleted",
        target_type="app",
        target_id=app_id,
        metadata={"key": existing.get("key"), "is_secret": bool(existing.get("is_secret"))},
    )

    return RedirectResponse(url=f"/portal/apps/{quote(app_id, safe='')}#promenne", status_code=303)


@router.post("/apps/{app_id}/redeploy")
def redeploy_app(app_id: str, user=Depends(require_user)):
    app = get_app(app_id)
    if not app:
        raise HTTPException(status_code=404, detail="App not found")

    active_job = has_active_deploy_job("app", app_id)
    if active_job:
        return RedirectResponse(url=f"/portal/jobs/{active_job['id']}", status_code=303)

    job_id = create_job(
        job_type="deploy_app",
        target_type="app",
        target_id=app_id,
        payload={},
        user=user,
        source="portal",
    )
    log_audit_event(
        user,
        action="app.redeploy.queued",
        target_type="app",
        target_id=app_id,
        metadata={"job_id": job_id},
    )

    return RedirectResponse(url=f"/portal/jobs/{job_id}", status_code=303)


@router.get("/new-app", response_class=HTMLResponse)
def new_app_form(request: Request, user=Depends(require_user)):
    return page(
        "Nová služba",
        """
        <div class="card">
            <h2>Vytvořit novou službu</h2>
            <p class="muted">Vytvoří Gitea repozitář, webhook, lokální workspace, první commit a nasadí službu.</p>

            <form method="post" action="/portal/new-app">
                <p>
                    <label>ID služby</label><br>
                    <input name="app_id" placeholder="gmail-service" required>
                </p>

                <p>
                    <label>Název služby</label><br>
                    <input name="app_name" placeholder="Gmail služba" required>
                </p>

                <p>
                    <label>Šablona</label><br>
                    <select name="template">
                        <option value="python-fastapi">Python FastAPI</option>
                    </select>
                </p>

                <button type="submit">Vytvořit službu</button>
            </form>

            <p><a href="/portal/apps">&larr; Zpět</a></p>
        </div>
        """,
        user=user,
    )


@router.post("/new-app", response_class=HTMLResponse)
def create_app(
    app_id: str = Form(...),
    app_name: str = Form(...),
    template: str = Form(...),
    user=Depends(require_user),
):
    if template != "python-fastapi":
        return HTMLResponse("Nepodporovaná šablona", status_code=400)

    create_result = run_command([NEW_APP_SCRIPT, app_id, app_name])
    deploy_result = run_command([DEPLOY_SCRIPT, app_id])

    status = "OK" if create_result.returncode == 0 and deploy_result.returncode == 0 else "FAILED"
    log_audit_event(
        user,
        action="create_app",
        target_type="app",
        target_id=app_id,
        metadata={
            "app_id": app_id,
            "app_name": app_name,
            "template": template,
            "status": status,
            "create_returncode": create_result.returncode,
            "deploy_returncode": deploy_result.returncode,
        },
    )

    return render_result(
        title=f"Vytvoření služby: {status}",
        back_url="/portal/apps",
        sections=[
            ("Výstup vytvoření", create_result.stdout),
            ("Chyba vytvoření", create_result.stderr),
            ("Výstup nasazení", deploy_result.stdout),
            ("Chyba nasazení", deploy_result.stderr),
        ],
        extra_link=f"/apps/{html.escape(app_id)}/docs",
        extra_label="Otevřít Swagger",
        user=user,
    )


@router.post("/delete-app", response_class=HTMLResponse)
def delete_app(app_id: str = Form(...), user=Depends(require_user)):
    result = run_command([DELETE_APP_SCRIPT, app_id])
    status = "OK" if result.returncode == 0 else "FAILED"
    log_audit_event(
        user,
        action="delete_app",
        target_type="app",
        target_id=app_id,
        metadata={
            "app_id": app_id,
            "status": status,
            "returncode": result.returncode,
        },
    )

    return render_result(
        title=f"Smazání služby: {status}",
        back_url="/portal/apps",
        sections=[("Výstup", result.stdout), ("Chyba", result.stderr)],
        user=user,
    )


@router.post("/update-resources", response_class=HTMLResponse)
def update_resources(
    app_id: str = Form(...),
    memory: str = Form(""),
    cpus: str = Form(""),
    user=Depends(require_user),
):
    memory = memory.strip()
    cpus = cpus.strip()

    update_app_resources(app_id, memory, cpus)

    catalog_result = run_command(["/tools/generate-catalog.sh"])
    compose_result = run_command([GENERATE_COMPOSE_SCRIPT])
    deploy_result = run_command([DEPLOY_SCRIPT, app_id])

    status = (
        "OK"
        if catalog_result.returncode == 0 and compose_result.returncode == 0 and deploy_result.returncode == 0
        else "FAILED"
    )
    log_audit_event(
        user,
        action="update_resources",
        target_type="app",
        target_id=app_id,
        metadata={
            "app_id": app_id,
            "memory": memory,
            "cpus": cpus,
            "status": status,
            "catalog_returncode": catalog_result.returncode,
            "compose_returncode": compose_result.returncode,
            "deploy_returncode": deploy_result.returncode,
        },
    )

    return render_result(
        title=f"Úprava prostředků: {status}",
        back_url="/portal/apps",
        sections=[
            ("Výstup katalogu", catalog_result.stdout),
            ("Chyba katalogu", catalog_result.stderr),
            ("Výstup compose", compose_result.stdout),
            ("Chyba compose", compose_result.stderr),
            ("Výstup nasazení", deploy_result.stdout),
            ("Chyba nasazení", deploy_result.stderr),
        ],
        user=user,
    )