-- name: GetUserByID :one
SELECT * FROM users
WHERE users.user_id = $1
LIMIT 1;

-- name: CreateUser :one
INSERT INTO users (username, display_name, is_admin)
VALUES ($1, $1, false)
RETURNING user_id;

-- name: ListUsers :many
SELECT * FROM users
ORDER BY users.user_id;

-- name: GetUserAuthByUsername :one
SELECT * FROM users
JOIN user_auths ON users.user_id = user_auths.user_id
WHERE users.username = $1
LIMIT 1;

-- name: CreateUserAuth :exec
INSERT INTO user_auths (user_id, auth_type)
VALUES ($1, $2);

-- name: IsRegistrationTokenValid :one
SELECT EXISTS (
    SELECT 1 FROM registration_tokens
    WHERE token = $1
);

-- name: ListGames :many
SELECT * FROM games
LEFT JOIN problems ON games.problem_id = problems.problem_id
ORDER BY games.game_id;

-- name: ListGamesForPlayer :many
SELECT * FROM games
LEFT JOIN problems ON games.problem_id = problems.problem_id
JOIN game_players ON games.game_id = game_players.game_id
WHERE game_players.user_id = $1
ORDER BY games.game_id;

-- name: UpdateGameState :exec
UPDATE games
SET state = $2
WHERE game_id = $1;

-- name: UpdateGameStartedAt :exec
UPDATE games
SET started_at = $2
WHERE game_id = $1;

-- name: GetGameByID :one
SELECT * FROM games
LEFT JOIN problems ON games.problem_id = problems.problem_id
WHERE games.game_id = $1
LIMIT 1;

-- name: ListGamePlayers :many
SELECT * FROM game_players
LEFT JOIN users ON game_players.user_id = users.user_id
WHERE game_players.game_id = $1
ORDER BY game_players.user_id;

-- name: UpdateGame :exec
UPDATE games
SET
    game_type = $2,
    state = $3,
    display_name = $4,
    duration_seconds = $5,
    started_at = $6,
    problem_id = $7
WHERE game_id = $1;

-- name: CreateSubmission :one
INSERT INTO submissions (game_id, user_id, code, code_size, code_hash)
VALUES ($1, $2, $3, $4, $5)
RETURNING submission_id;

-- name: ListTestcasesByGameID :many
SELECT * FROM testcases
WHERE testcases.problem_id = (SELECT problem_id FROM games WHERE game_id = $1)
ORDER BY testcases.testcase_id;

-- name: CreateSubmissionResult :exec
INSERT INTO submission_results (submission_id, status, stdout, stderr)
VALUES ($1, $2, $3, $4);

-- name: CreateTestcaseResult :exec
INSERT INTO testcase_results (submission_id, testcase_id, status, stdout, stderr)
VALUES ($1, $2, $3, $4, $5);

-- name: AggregateTestcaseResults :one
SELECT
    CASE
        WHEN COUNT(CASE WHEN r.status IS NULL            THEN 1 END) > 0 THEN 'running'
        WHEN COUNT(CASE WHEN r.status = 'internal_error' THEN 1 END) > 0 THEN 'internal_error'
        WHEN COUNT(CASE WHEN r.status = 'timeout'        THEN 1 END) > 0 THEN 'timeout'
        WHEN COUNT(CASE WHEN r.status = 'runtime_error'  THEN 1 END) > 0 THEN 'runtime_error'
        WHEN COUNT(CASE WHEN r.status = 'wrong_answer'   THEN 1 END) > 0 THEN 'wrong_answer'
        ELSE 'success'
    END AS status
FROM testcases
LEFT JOIN testcase_results AS r ON testcases.testcase_id = r.testcase_id
WHERE r.submission_id = $1;
