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

-- name: GetUserIDByUsername :one
SELECT user_id FROM users
WHERE users.username = $1
LIMIT 1;

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

-- name: UpdateUserIconPath :exec
UPDATE users
SET icon_path = $2
WHERE user_id = $1;

-- 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: UpdateUser :exec
UPDATE users
SET
    display_name = $2,
    icon_path = $3,
    is_admin = $4,
    label = $5
WHERE user_id = $1;

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

-- name: ListPublicGames :many
SELECT * FROM games
JOIN problems ON games.problem_id = problems.problem_id
WHERE is_public = true
ORDER BY games.game_id;

-- name: ListAllGames :many
SELECT * FROM games
ORDER BY games.game_id;

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

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

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

-- name: ListMainPlayers :many
SELECT * FROM game_main_players
JOIN users ON game_main_players.user_id = users.user_id
WHERE game_main_players.game_id = ANY($1::INT[])
ORDER BY game_main_players.user_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: 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;

-- name: GetLatestState :one
SELECT * FROM game_states
LEFT JOIN submissions ON game_states.best_score_submission_id = submissions.submission_id
WHERE game_states.game_id = $1 AND game_states.user_id = $2
LIMIT 1;

-- name: GetLatestStatesOfMainPlayers :many
SELECT * FROM game_main_players
LEFT JOIN game_states ON game_main_players.game_id = game_states.game_id AND game_main_players.user_id = game_states.user_id
LEFT JOIN submissions ON game_states.best_score_submission_id = submissions.submission_id
WHERE game_main_players.game_id = $1;

-- name: GetRanking :many
SELECT * FROM game_states
JOIN users ON game_states.user_id = users.user_id
JOIN submissions ON game_states.best_score_submission_id = submissions.submission_id
WHERE game_states.game_id = $1
ORDER BY submissions.code_size ASC, submissions.created_at ASC;

-- name: UpdateCode :exec
INSERT INTO game_states (game_id, user_id, code, status)
VALUES ($1, $2, $3, $4)
ON CONFLICT (game_id, user_id)
DO UPDATE SET code = EXCLUDED.code;

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

-- name: UpdateSubmissionStatus :exec
UPDATE submissions
SET status = $2
WHERE submission_id = $1;

-- name: UpdateGameStateStatus :exec
UPDATE game_states
SET status = $3
WHERE game_id = $1 AND user_id = $2;

-- name: SyncGameStateBestScoreSubmission :exec
UPDATE game_states
SET best_score_submission_id = (
    SELECT submission_id FROM submissions AS s
    WHERE s.game_id = $1 AND s.user_id = $2 AND s.status = 'success'
    ORDER BY s.code_size ASC, s.created_at ASC
    LIMIT 1
)
WHERE game_id = $1 AND user_id = $2;
