from app.db.database import get_connection


def get_apps():
    con = get_connection()

    rows = con.execute(
        """
        SELECT
            a.id,
            a.name,
            a.language,
            a.version,
            a.status,
            COALESCE(a.memory, '') AS memory,
            COALESCE(a.cpus, '') AS cpus,
            a.updated_at,
            (
                SELECT d.status
                FROM deployments d
                WHERE d.app_id = a.id
                ORDER BY d.id DESC
                LIMIT 1
            ) AS last_deploy_status,
            (
                SELECT d.started_at
                FROM deployments d
                WHERE d.app_id = a.id
                ORDER BY d.id DESC
                LIMIT 1
            ) AS last_deploy_started_at
        FROM apps a
        ORDER BY a.id
        """
    ).fetchall()

    con.close()

    return [dict(row) for row in rows]


def get_app(app_id: str):
    con = get_connection()

    row = con.execute(
        """
        SELECT
            id,
            name,
            language,
            version,
            status,
            COALESCE(memory, '') AS memory,
            COALESCE(cpus, '') AS cpus,
            updated_at
        FROM apps
        WHERE id = ?
        """,
        (app_id,),
    ).fetchone()

    con.close()

    if not row:
        return None

    return dict(row)


def get_deployments(limit: int = 100):
    con = get_connection()

    rows = con.execute(
        """
        SELECT
            id,
            app_id,
            kind,
            status,
            started_at,
            finished_at,
            returncode
        FROM deployments
        ORDER BY id DESC
        LIMIT ?
        """,
        (limit,),
    ).fetchall()

    con.close()

    return [dict(row) for row in rows]


def get_deployment(deployment_id: int):
    con = get_connection()

    row = con.execute(
        """
        SELECT
            id,
            app_id,
            kind,
            status,
            started_at,
            finished_at,
            returncode,
            stdout,
            stderr
        FROM deployments
        WHERE id = ?
        """,
        (deployment_id,),
    ).fetchone()

    con.close()

    if not row:
        return None

    return dict(row)