import { createOIDCProvider } from '@repo/oidc-provider';
import { RedisStorageAdapter } from '@repo/oidc-provider';
import type { OIDCClient, OIDCUser, OIDCProviderConfig } from '@repo/oidc-provider';
import redis from './redis';

// 示例客户端数据
const demoClients: OIDCClient[] = [
    {
        client_id: 'demo-client',
        client_secret: 'demo-client-secret',
        client_name: 'Demo Application',
        client_type: 'confidential',
        redirect_uris: [
            'http://localhost:3001/auth/callback',
            'http://localhost:8080/callback',
            'https://oauth.pstmn.io/v1/callback'
        ],
        grant_types: ['authorization_code', 'refresh_token'],
        response_types: ['code'],
        scopes: ['openid', 'profile', 'email'],
        token_endpoint_auth_method: 'client_secret_basic',
        created_at: new Date(),
        updated_at: new Date(),
    },
    {
        client_id: 'demo-public-client',
        client_name: 'Demo Public Application',
        client_type: 'public',
        redirect_uris: [
            'http://localhost:3000/callback',
            'myapp://callback'
        ],
        grant_types: ['authorization_code'],
        response_types: ['code'],
        scopes: ['openid', 'profile', 'email'],
        token_endpoint_auth_method: 'none',
        created_at: new Date(),
        updated_at: new Date(),
    }
];

// 示例用户数据
const demoUsers: OIDCUser[] = [
    {
        sub: 'demo-user',
        username: 'demouser',
        email: 'demo@example.com',
        email_verified: true,
        name: 'Demo User',
        given_name: 'Demo',
        family_name: 'User',
        picture: 'https://via.placeholder.com/150',
        profile: 'https://example.com/demouser',
        website: 'https://example.com',
        gender: 'prefer_not_to_say',
        birthdate: '1990-01-01',
        zoneinfo: 'Asia/Shanghai',
        locale: 'zh-CN',
        phone_number: '+86-123-4567-8901',
        phone_number_verified: true,
        address: {
            formatted: '北京市朝阳区建国门外大街1号',
            street_address: '建国门外大街1号',
            locality: '朝阳区',
            region: '北京市',
            postal_code: '100020',
            country: 'CN'
        },
        updated_at: Math.floor(Date.now() / 1000)
    }
];

// 查找客户端的函数
async function findClient(clientId: string): Promise<OIDCClient | null> {
    return demoClients.find(client => client.client_id === clientId) || null;
}

// 查找用户的函数
async function findUser(userId: string): Promise<OIDCUser | null> {
    return demoUsers.find(user => user.sub === userId) || null;
}

// 密码验证函数
async function validatePassword(username: string, password: string): Promise<string | null> {
    // 查找用户并验证密码
    const user = demoUsers.find(u => u.username === username);
    if (!user || password !== 'demo123') {
        return null;
    }
    return user.sub; // 返回用户ID
}

// OIDC Provider 配置
const oidcConfig: OIDCProviderConfig = {
    issuer: 'http://localhost:3000/oidc',
    signingKey: 'your-super-secret-signing-key-at-least-32-characters-long',
    signingAlgorithm: 'HS256',
    storage: new RedisStorageAdapter(redis),
    findClient,
    findUser,
    tokenTTL: {
        accessToken: 3600, // 1小时
        refreshToken: 30 * 24 * 3600, // 30天
        authorizationCode: 600, // 10分钟
        idToken: 3600, // 1小时
    },
    responseTypes: ['code'],
    grantTypes: ['authorization_code', 'refresh_token'],
    scopes: ['openid', 'profile', 'email', 'phone', 'address'],
    claims: [
        'sub', 'name', 'given_name', 'family_name', 'middle_name', 'nickname',
        'preferred_username', 'profile', 'picture', 'website', 'email',
        'email_verified', 'gender', 'birthdate', 'zoneinfo', 'locale',
        'phone_number', 'phone_number_verified', 'address', 'updated_at'
    ],
    enablePKCE: true,
    requirePKCE: false,
    rotateRefreshTokens: true,
};

// 使用新的内置认证处理器创建OIDC Provider
export const oidcApp = createOIDCProvider({
    config: oidcConfig,
    useBuiltInAuth: true,
    builtInAuthConfig: {
        passwordValidator: validatePassword,
        sessionTTL: 24 * 60 * 60, // 24小时
        loginPageTitle: 'OIDC Demo 登录',
        brandName: 'OIDC Demo Provider',
    },
});

// 导出示例数据用于测试
export { demoClients, demoUsers, oidcConfig };