<?php

namespace App\Http\Services;

use App\Models\Setting;
use Carbon\Carbon;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;

class Discord
{
    protected ?string $token;
    protected ?string $group;

    // Discord embed colors
    const COLOR_SUCCESS = 3066993;  // Green
    const COLOR_ERROR = 15158332;   // Red
    const COLOR_INFO = 3447003;     // Blue
    const COLOR_WARNING = 16776960; // Yellow
    const COLOR_VIP = 16711935;     // Purple

    public function __construct()
    {
        $record = Setting::where('key', 'setting')->first();
        if ($record) {
            $setting = json_decode($record->value);
            $this->token = $setting->discord_webhook_id ?? null;
            $this->group = $setting->discord_webhook_token ?? null;
        } else {
            $this->token = null;
            $this->group = null;
        }
    }

    protected function sendDiscordMessage(array $payload)
    {
        if (!$this->token || !$this->group) {
            Log::channel('Custom')->warning('Discord notification not sent: Missing webhook ID or token');
            return null;
        }

        $webhookUrl = "https://discord.com/api/webhooks/{$this->token}/{$this->group}";

        try {
            return Http::post($webhookUrl, $payload);
        } catch (\Exception $exception) {
            Log::channel('Custom')->error('Failed to send Discord notification: ' . $exception->getMessage());
            return null;
        }
    }

    /**
     * Send simple message with embed
     */
    public function SendMessage($message = '', $color = self::COLOR_INFO, $title = null)
    {
        $embed = [
            'description' => $message,
            'color' => $color,
            'timestamp' => now()->toIso8601String(),
        ];

        if ($title) {
            $embed['title'] = $title;
        }

        $payload = [
            'embeds' => [$embed]
        ];

        return $this->sendDiscordMessage($payload);
    }

    /**
     * Send error message with enhanced formatting
     */
    public function SendErrorMessage($data, $context = null)
    {
        $content = is_string($data) ? $data : json_encode($data, JSON_PRETTY_PRINT);

        $fields = [];
        if ($context) {
            $fields[] = [
                'name' => '📍 Ngữ cảnh',
                'value' => $context,
                'inline' => false,
            ];
        }

        $fields[] = [
            'name' => '⚠️ Chi tiết lỗi',
            'value' => "```json\n" . substr($content, 0, 1000) . "\n```",
            'inline' => false,
        ];

        $embed = [
            'title' => '🚨 Lỗi hệ thống',
            'description' => '**Admin:** Đã xảy ra lỗi trong quá trình xử lý dịch vụ',
            'color' => self::COLOR_ERROR,
            'fields' => $fields,
            'footer' => [
                'text' => 'Error Notification System'
            ],
            'timestamp' => now()->toIso8601String(),
        ];

        return $this->sendDiscordMessage(['embeds' => [$embed]]);
    }

    /**
     * Send job execution notification
     */
    public function SendJobRunInfo($jobName, $status, $additionalInfo = null, $duration = null)
    {
        $statusEmoji = match (strtolower($status)) {
            'success', 'completed' => '✅',
            'failed', 'error' => '❌',
            'running', 'processing' => '⏳',
            'warning' => '⚠️',
            default => '📊'
        };

        $color = match (strtolower($status)) {
            'success', 'completed' => self::COLOR_SUCCESS,
            'failed', 'error' => self::COLOR_ERROR,
            'warning' => self::COLOR_WARNING,
            default => self::COLOR_INFO
        };

        $fields = [
            [
                'name' => '⏱️ Thời gian chạy',
                'value' => Carbon::now()->format('d/m/Y H:i:s'),
                'inline' => true,
            ],
            [
                'name' => '📊 Trạng thái',
                'value' => "{$statusEmoji} {$status}",
                'inline' => true,
            ],
        ];

        if ($duration) {
            $fields[] = [
                'name' => '⏲️ Thời gian thực thi',
                'value' => $duration,
                'inline' => true,
            ];
        }

        if ($additionalInfo) {
            $info = is_string($additionalInfo) ? $additionalInfo : json_encode($additionalInfo, JSON_PRETTY_PRINT);
            $fields[] = [
                'name' => '📋 Thông tin chi tiết',
                'value' => "```\n" . substr($info, 0, 1000) . "\n```",
                'inline' => false,
            ];
        }

        $embed = [
            'title' => "⚙️ Job Execution: {$jobName}",
            'color' => $color,
            'fields' => $fields,
            'timestamp' => now()->toIso8601String(),
        ];

        return $this->sendDiscordMessage(['embeds' => [$embed]]);
    }
}