import Database from 'better-sqlite3'
import { join, dirname } from 'path'
import { fileURLToPath } from 'url'
import fs from 'fs'

const __dirname = dirname(fileURLToPath(import.meta.url))
const projectRoot = join(__dirname, '..', '..')
const dataDir = join(projectRoot, 'data')
const dbPath = join(dataDir, 'sports.db')

if (!fs.existsSync(dataDir)) {
  fs.mkdirSync(dataDir, { recursive: true })
}

const db = new Database(dbPath)

// 初始化数据库表
db.exec(`
  CREATE TABLE IF NOT EXISTS events (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    name TEXT NOT NULL,
    category TEXT NOT NULL,
    event_group TEXT NOT NULL,
    unit TEXT NOT NULL,
    status TEXT DEFAULT 'pending',
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
  );

  CREATE TABLE IF NOT EXISTS teams (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    name TEXT NOT NULL,
    team_group TEXT NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
  );

  CREATE TABLE IF NOT EXISTS results (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    event_id INTEGER NOT NULL,
    team_id INTEGER NOT NULL,
    score TEXT NOT NULL,
    rank INTEGER,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (event_id) REFERENCES events(id),
    FOREIGN KEY (team_id) REFERENCES teams(id)
  );

  CREATE TABLE IF NOT EXISTS team_scores (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    team_id INTEGER NOT NULL,
    total_score INTEGER DEFAULT 0,
    gold_count INTEGER DEFAULT 0,
    silver_count INTEGER DEFAULT 0,
    bronze_count INTEGER DEFAULT 0,
    FOREIGN KEY (team_id) REFERENCES teams(id)
  );

  CREATE TABLE IF NOT EXISTS roles (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    name TEXT UNIQUE NOT NULL,
    description TEXT,
    permissions TEXT DEFAULT '[]',
    is_system INTEGER DEFAULT 0,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
  );

  CREATE TABLE IF NOT EXISTS users (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    username TEXT UNIQUE NOT NULL,
    email TEXT UNIQUE,
    password_hash TEXT NOT NULL,
    real_name TEXT,
    avatar TEXT,
    role_id INTEGER DEFAULT 2,
    status TEXT DEFAULT 'active',
    last_login DATETIME,
    login_attempts INTEGER DEFAULT 0,
    locked_until DATETIME,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (role_id) REFERENCES roles(id)
  );

  CREATE TABLE IF NOT EXISTS oauth_clients (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    client_id TEXT UNIQUE NOT NULL,
    client_secret_hash TEXT NOT NULL,
    client_name TEXT NOT NULL,
    redirect_uris TEXT DEFAULT '[]',
    allowed_scopes TEXT DEFAULT '[]',
    grant_types TEXT DEFAULT '[]',
    platform TEXT DEFAULT 'web',
    is_active INTEGER DEFAULT 1,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
  );

  CREATE TABLE IF NOT EXISTS oauth_tokens (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    user_id INTEGER,
    client_id TEXT NOT NULL,
    access_token TEXT UNIQUE NOT NULL,
    refresh_token TEXT UNIQUE,
    token_type TEXT DEFAULT 'Bearer',
    scope TEXT,
    expires_at DATETIME NOT NULL,
    revoked INTEGER DEFAULT 0,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (user_id) REFERENCES users(id),
    FOREIGN KEY (client_id) REFERENCES oauth_clients(client_id)
  );

  CREATE TABLE IF NOT EXISTS oauth_codes (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    code TEXT UNIQUE NOT NULL,
    user_id INTEGER NOT NULL,
    client_id TEXT NOT NULL,
    redirect_uri TEXT NOT NULL,
    scope TEXT,
    code_challenge TEXT,
    code_challenge_method TEXT,
    expires_at DATETIME NOT NULL,
    used INTEGER DEFAULT 0,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (user_id) REFERENCES users(id),
    FOREIGN KEY (client_id) REFERENCES oauth_clients(client_id)
  );

  CREATE TABLE IF NOT EXISTS oauth_sessions (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    session_id TEXT UNIQUE NOT NULL,
    user_id INTEGER NOT NULL,
    client_id TEXT NOT NULL,
    device_info TEXT,
    ip_address TEXT,
    last_activity DATETIME,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (user_id) REFERENCES users(id),
    FOREIGN KEY (client_id) REFERENCES oauth_clients(client_id)
  );
`)

export default db