-- Visibility model: a project is readable when it is approved for public
-- display, when the caller owns or is a member of it, or when the caller is a
-- platform admin. Anonymous callers pass user_id = uuid.Nil, is_admin = false.

-- name: ListProjectsWithStatsByUser :many
SELECT
    p.id,
    p.name,
    p.description,
    p.owner_id,
    p.is_approved,
    p.created_at,
    p.updated_at,
    COUNT(DISTINCT s.id)::bigint AS service_count,
    COUNT(DISTINCT d.id)::bigint AS deployment_count,
    COUNT(DISTINCT CASE WHEN s.status = 'running' THEN s.id END)::bigint AS running_services,
    (
        SELECT d2.created_at
        FROM deployments d2
        JOIN services s2 ON s2.id = d2.service_id
        WHERE s2.project_id = p.id
        ORDER BY d2.created_at DESC
        LIMIT 1
    ) AS last_deployment
FROM projects p
LEFT JOIN services s ON s.project_id = p.id
LEFT JOIN deployments d ON d.service_id = s.id
WHERE
    (
        p.is_approved
        OR p.owner_id = sqlc.arg(user_id)
        OR sqlc.arg(is_admin)::bool
        OR EXISTS (
            SELECT 1
            FROM project_members pm
            WHERE pm.project_id = p.id AND pm.user_id = sqlc.arg(user_id)
        )
    )
    AND (
        sqlc.narg(search)::text IS NULL
        OR p.name ILIKE ('%' || sqlc.narg(search)::text || '%')
        OR COALESCE(p.description, '') ILIKE ('%' || sqlc.narg(search)::text || '%')
    )
GROUP BY p.id, p.name, p.description, p.owner_id, p.is_approved, p.created_at, p.updated_at
ORDER BY p.updated_at DESC
LIMIT sqlc.arg(limit_count) OFFSET sqlc.arg(offset_count);

-- name: CountProjectsByUser :one
SELECT COUNT(*)::bigint AS total
FROM projects p
WHERE
    (
        p.is_approved
        OR p.owner_id = sqlc.arg(user_id)
        OR sqlc.arg(is_admin)::bool
        OR EXISTS (
            SELECT 1
            FROM project_members pm
            WHERE pm.project_id = p.id AND pm.user_id = sqlc.arg(user_id)
        )
    )
    AND (
        sqlc.narg(search)::text IS NULL
        OR p.name ILIKE ('%' || sqlc.narg(search)::text || '%')
        OR COALESCE(p.description, '') ILIKE ('%' || sqlc.narg(search)::text || '%')
    );

-- name: GetProjectByIDForUser :one
SELECT p.id, p.name, p.description, p.owner_id, p.is_approved, p.created_at, p.updated_at
FROM projects p
WHERE p.id = sqlc.arg(project_id)
  AND (
      p.is_approved
      OR p.owner_id = sqlc.arg(user_id)
      OR sqlc.arg(is_admin)::bool
      OR EXISTS (
          SELECT 1
          FROM project_members pm
          WHERE pm.project_id = p.id AND pm.user_id = sqlc.arg(user_id)
      )
  );

-- name: CreateProject :one
INSERT INTO projects (name, description, owner_id)
VALUES (sqlc.arg(name), sqlc.narg(description), sqlc.arg(owner_id))
RETURNING id, name, description, owner_id, is_approved, created_at, updated_at;

-- name: InsertProjectEnvironment :exec
INSERT INTO environments (name, project_id)
VALUES (sqlc.arg(name), sqlc.arg(project_id));

-- name: GetProjectRoleForUser :one
SELECT (CASE
    WHEN p.owner_id = sqlc.arg(user_id) OR sqlc.arg(is_admin)::bool THEN 'owner'
    ELSE COALESCE(pm.role, '')
END)::text AS role
FROM projects p
LEFT JOIN project_members pm ON p.id = pm.project_id AND pm.user_id = sqlc.arg(user_id)
WHERE p.id = sqlc.arg(project_id);

-- name: UpdateProjectByID :execrows
UPDATE projects
SET
    name = COALESCE(sqlc.narg(name), name),
    description = COALESCE(sqlc.narg(description), description),
    updated_at = NOW()
WHERE id = sqlc.arg(project_id);

-- name: GetProjectOwnerByID :one
SELECT owner_id
FROM projects
WHERE id = sqlc.arg(project_id);

-- name: DeleteProjectByID :execrows
DELETE FROM projects
WHERE id = sqlc.arg(project_id);

-- name: SetProjectApproved :execrows
UPDATE projects
SET is_approved = sqlc.arg(is_approved), updated_at = NOW()
WHERE id = sqlc.arg(project_id);

-- name: ListPendingProjects :many
SELECT p.id, p.name, p.description, p.owner_id, p.is_approved, p.created_at, p.updated_at
FROM projects p
WHERE p.is_approved = false
ORDER BY p.created_at DESC;

-- name: ListProjectEnvironments :many
SELECT e.id, e.name, e.project_id, e.created_at, e.updated_at,
       (SELECT COUNT(*) FROM services s WHERE s.environment_id = e.id) AS service_count
FROM environments e
WHERE e.project_id = $1
ORDER BY e.created_at;

-- name: GetProjectEnvironmentByName :one
SELECT id, name, project_id, created_at, updated_at
FROM environments
WHERE project_id = $1 AND name = $2;

-- name: DeleteProjectEnvironment :exec
DELETE FROM environments WHERE id = $1 AND project_id = $2;

-- name: CountEnvironmentServices :one
SELECT COUNT(*) FROM services WHERE environment_id = $1;