<?php

/**
 * IDCGo 用户中心 API · PHP 客户端（单文件，无依赖，需 curl 扩展）
 *
 * 用法：
 *   $client = new IdcgoAccountClient();
 *   $res = $client->login('demo', 'secret123');          // 返回 ['code'=>0, ...]
 *   $client->setToken($res['data']['token']);
 *   $licenses = $client->licenses(['status' => 'usable']);
 *
 * 所有方法都返回接口原始数组：['code' => 0, 'message' => 'ok', 'data' => ...]
 * 业务失败时 code 非 0，不会抛异常；网络/HTTP 异常抛 RuntimeException。
 */
class IdcgoAccountClient
{
    public const DEFAULT_BASE = 'https://api.idcxb.com/api/v1/account';

    private string $base;
    private ?string $token;

    public function __construct(?string $token = null, string $base = self::DEFAULT_BASE)
    {
        $this->token = $token;
        $this->base = rtrim($base, '/');
    }

    public function setToken(?string $token): self
    {
        $this->token = $token;

        return $this;
    }

    public function token(): ?string
    {
        return $this->token;
    }

    /**
     * 发请求。
     *
     * @param  array<string, mixed>  $query
     * @param  array<string, mixed>|null  $body
     * @return array<string, mixed>
     */
    public function request(string $method, string $path, array $query = [], ?array $body = null): array
    {
        $url = $this->base . '/' . ltrim($path, '/');

        if ($query !== []) {
            $url .= '?' . http_build_query($query);
        }

        $ch = curl_init($url);
        $headers = ['Accept: application/json'];

        if ($this->token) {
            $headers[] = 'Authorization: Bearer ' . $this->token;
        }

        if ($body !== null) {
            $headers[] = 'Content-Type: application/json';
            curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body, JSON_UNESCAPED_UNICODE));
        }

        curl_setopt_array($ch, [
            CURLOPT_CUSTOMREQUEST => strtoupper($method),
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => $headers,
            CURLOPT_TIMEOUT => 20,
            CURLOPT_CONNECTTIMEOUT => 8,
        ]);

        $raw = curl_exec($ch);
        $err = curl_error($ch);
        $status = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ($raw === false || $err !== '') {
            throw new RuntimeException('请求失败：' . $err);
        }

        $json = json_decode((string) $raw, true);

        if (! is_array($json)) {
            throw new RuntimeException('响应不是合法 JSON（HTTP ' . $status . '）：' . substr((string) $raw, 0, 200));
        }

        $json['http_status'] = $status;

        return $json;
    }

    // ------------------------------------------------------------------
    // 账号
    // ------------------------------------------------------------------

    public function register(string $username, string $email, string $password): array
    {
        return $this->request('POST', 'auth/register', [], [
            'username' => $username,
            'email' => $email,
            'password' => $password,
            'password_confirmation' => $password,
        ]);
    }

    public function check(array $query): array
    {
        return $this->request('GET', 'auth/check', $query);
    }

    public function login(string $account, string $password): array
    {
        return $this->request('POST', 'auth/login', [], [
            'account' => $account,
            'password' => $password,
        ]);
    }

    public function logout(): array
    {
        return $this->request('POST', 'auth/logout');
    }

    public function forgotPassword(string $account): array
    {
        return $this->request('POST', 'auth/password/forgot', [], ['account' => $account]);
    }

    public function resetPassword(string $account, string $code, string $password): array
    {
        return $this->request('POST', 'auth/password/reset', [], [
            'account' => $account,
            'code' => $code,
            'password' => $password,
            'password_confirmation' => $password,
        ]);
    }

    public function me(): array
    {
        return $this->request('GET', 'me');
    }

    public function updateProfile(string $nickname, string $email, ?string $phone = null): array
    {
        return $this->request('PUT', 'me', [], [
            'nickname' => $nickname,
            'email' => $email,
            'phone' => $phone,
        ]);
    }

    public function changeUsername(string $username, string $password): array
    {
        return $this->request('PUT', 'me/username', [], [
            'username' => $username,
            'password' => $password,
        ]);
    }

    public function changePassword(string $current, string $password): array
    {
        return $this->request('PUT', 'me/password', [], [
            'current_password' => $current,
            'password' => $password,
            'password_confirmation' => $password,
        ]);
    }

    public function resetToken(): array
    {
        $res = $this->request('POST', 'me/token');

        if (($res['code'] ?? null) === 0 && ! empty($res['data']['token'])) {
            $this->setToken($res['data']['token']);
        }

        return $res;
    }

    // ------------------------------------------------------------------
    // 概览 / 日志
    // ------------------------------------------------------------------

    public function dashboard(): array
    {
        return $this->request('GET', 'dashboard');
    }

    public function logs(array $query = []): array
    {
        return $this->request('GET', 'logs', $query);
    }

    // ------------------------------------------------------------------
    // 授权
    // ------------------------------------------------------------------

    public function licenses(array $query = []): array
    {
        return $this->request('GET', 'licenses', $query);
    }

    public function license(string $key): array
    {
        return $this->request('GET', 'licenses/' . rawurlencode($key));
    }

    public function claim(string $key): array
    {
        return $this->request('POST', 'licenses/claim', [], ['license_key' => $key]);
    }

    public function bind(string $key, string $domain, ?string $ip = null): array
    {
        return $this->request('POST', 'licenses/' . rawurlencode($key) . '/bind', [], [
            'domain' => $domain,
            'ip' => $ip,
        ]);
    }

    public function detectIp(string $key, string $domain): array
    {
        return $this->request('POST', 'licenses/' . rawurlencode($key) . '/detect-ip', [], ['domain' => $domain]);
    }

    public function activations(string $key): array
    {
        return $this->request('GET', 'licenses/' . rawurlencode($key) . '/activations');
    }

    public function unbind(string $key, int $activationId): array
    {
        return $this->request('DELETE', 'licenses/' . rawurlencode($key) . '/activations/' . $activationId);
    }

    public function licenseLogs(string $key, array $query = []): array
    {
        return $this->request('GET', 'licenses/' . rawurlencode($key) . '/logs', $query);
    }

    // ------------------------------------------------------------------
    // 开发者
    // ------------------------------------------------------------------

    public function developer(): array
    {
        return $this->request('GET', 'developer');
    }

    public function applyDeveloper(array $payload): array
    {
        return $this->request('POST', 'developer/apply', [], $payload);
    }

    public function apps(): array
    {
        return $this->request('GET', 'developer/apps');
    }

    public function createApp(array $payload): array
    {
        return $this->request('POST', 'developer/apps', [], $payload);
    }

    public function updateApp(int $id, array $payload): array
    {
        return $this->request('PUT', 'developer/apps/' . $id, [], $payload);
    }

    public function submitApp(int $id): array
    {
        return $this->request('POST', 'developer/apps/' . $id . '/submit');
    }

    public function deleteApp(int $id): array
    {
        return $this->request('DELETE', 'developer/apps/' . $id);
    }
}