-- name: CreateUser :one
INSERT INTO users (
  email, password_hash, name, bio
) VALUES (
  $1, $2, $3, $4
)
RETURNING id, email, name, bio, created_at;

-- name: GetUserByEmail :one
SELECT id, email, password_hash, name, bio, created_at
FROM users
WHERE email = $1;

-- name: GetUserByID :one
SELECT id, email, name, bio, created_at
FROM users
WHERE id = $1;

-- name: CreateSession :exec
INSERT INTO sessions (
  token_hash, user_id, expires_at
) VALUES (
  $1, $2, $3
);

-- name: GetSessionAndUser :one
SELECT users.id, users.email, users.name, users.bio, sessions.expires_at
FROM sessions
JOIN users ON users.id = sessions.user_id
WHERE sessions.token_hash = $1 AND sessions.expires_at > now();

-- name: TouchSession :exec
UPDATE sessions
SET last_seen_at = now()
WHERE token_hash = $1;

-- name: DeleteSession :exec
DELETE FROM sessions
WHERE token_hash = $1;

-- name: CreatePlatform :one
INSERT INTO platform (
  name
) VALUES (
  $1
)
RETURNING id, name;

-- name: GetPlatform :one
SELECT id, name
FROM platform
WHERE id = $1 AND deleted_at IS NULL;

-- name: ListPlatforms :many
SELECT id, name
FROM platform
WHERE deleted_at IS NULL
ORDER BY name;

-- name: UpdatePlatform :one
UPDATE platform
SET name = $2
WHERE id = $1 AND deleted_at IS NULL
RETURNING id, name;

-- name: DeletePlatform :execrows
-- Soft delete, so the FK on game.platform_id is never touched and never
-- blocks this on its own; the NOT EXISTS guard is what stops a platform
-- that still has active games - from any user, since the list is shared -
-- from being deleted. Call GetPlatform first to tell "not found" apart from
-- "blocked by games" when this affects 0 rows.
UPDATE platform
SET deleted_at = now()
WHERE platform.id = $1 AND platform.deleted_at IS NULL
  AND NOT EXISTS (
    SELECT 1 FROM game
    WHERE game.platform_id = platform.id AND game.deleted_at IS NULL
  );

-- name: CreateGame :one
WITH inserted AS (
  INSERT INTO game (
    user_id, platform_id, name, score, release_date, finished
  ) VALUES (
    $1, $2, $3, $4, $5, $6
  )
  RETURNING id, platform_id, name, score, release_date, finished
)
SELECT inserted.id, inserted.name, inserted.platform_id, platform.name AS platform_name,
       inserted.score, inserted.release_date, inserted.finished
FROM inserted
JOIN platform ON platform.id = inserted.platform_id;

-- name: GetGame :one
SELECT game.id, game.name, game.platform_id, platform.name AS platform_name,
       game.score, game.release_date, game.finished
FROM game
JOIN platform ON platform.id = game.platform_id
WHERE game.id = $1 AND game.user_id = $2 AND game.deleted_at IS NULL;

-- name: ListGames :many
SELECT game.id, game.name, game.platform_id, platform.name AS platform_name,
       game.score, game.release_date, game.finished
FROM game
JOIN platform ON platform.id = game.platform_id
WHERE game.user_id = $1 AND game.deleted_at IS NULL
ORDER BY game.name;

-- name: UpdateGame :one
WITH updated AS (
  UPDATE game
  SET platform_id = $3, name = $4, score = $5, release_date = $6, finished = $7
  WHERE game.id = $1 AND game.user_id = $2 AND game.deleted_at IS NULL
  RETURNING id, platform_id, name, score, release_date, finished
)
SELECT updated.id, updated.name, updated.platform_id, platform.name AS platform_name,
       updated.score, updated.release_date, updated.finished
FROM updated
JOIN platform ON platform.id = updated.platform_id;

-- name: DeleteGame :execrows
UPDATE game
SET deleted_at = now()
WHERE id = $1 AND user_id = $2 AND deleted_at IS NULL;