import axios from 'axios';
import { logger } from './index.js';

/**
 * Discord Webhook Service
 * Sends notifications for copy and close operations
 */
export class DiscordWebhook {
  constructor(webhookUrl) {
    this.webhookUrl = webhookUrl;
  }

  /**
   * Send notification to Discord
   */
  async sendNotification(embed) {
    if (!this.webhookUrl) {
      logger.debug('Discord webhook URL not configured, skipping notification');
      return;
    }

    try {
      const response = await axios.post(
        this.webhookUrl,
        {
          embeds: [embed],
          username: 'Byreal Sniper Bot',
          avatar_url: 'https://i.imgur.com/4M34hi2.png', // Optional bot avatar
        },
        {
          timeout: 10000,
          headers: {
            'Content-Type': 'application/json',
          },
        }
      );

      if (response.status === 204) {
        logger.success('Discord notification sent successfully');
      }
    } catch (error) {
      logger.error('Failed to send Discord notification:', error.message);
      if (error.response) {
        logger.error('Discord API response:', error.response.data);
      }
    }
  }

  /**
   * Send copy success notification
   */
  async notifyCopySuccess({
    parentPosition,
    poolAddress,
    poolName,
    tokenA,
    tokenB,
    copyUsdValue,
    txSignature,
  }) {
    const embed = {
      title: '✅ Position Copied Successfully',
      color: 0x00ff00, // Green
      timestamp: new Date().toISOString(),
      fields: [
        {
          name: '📋 Parent Position',
          value: `[${parentPosition.slice(0, 8)}...${parentPosition.slice(-8)}](https://solscan.io/account/${parentPosition})`,
          inline: true,
        },
        {
          name: '🏊 Pool',
          value: `${poolName}\n[${poolAddress.slice(0, 8)}...](https://solscan.io/account/${poolAddress})`,
          inline: true,
        },
        {
          name: '💰 Copy Amount',
          value: `$${copyUsdValue.toFixed(2)}`,
          inline: true,
        },
        {
          name: '💱 Token A',
          value: `${tokenA.amount} ${tokenA.symbol || ''}\n($${tokenA.valueUsd || 0})`,
          inline: true,
        },
        {
          name: '💱 Token B',
          value: `${tokenB.amount} ${tokenB.symbol || ''}\n($${tokenB.valueUsd || 0})`,
          inline: true,
        },
      ],
      footer: {
        text: 'Byreal Sniper Bot',
      },
    };

    if (txSignature) {
      embed.fields.push({
        name: '🔗 Transaction',
        value: `[View on Solscan](https://solscan.io/tx/${txSignature})`,
        inline: false,
      });
    }

    await this.sendNotification(embed);
  }

  /**
   * Send close success notification
   */
  async notifyCloseSuccess({
    positionAddress,
    poolName,
    closedAt,
    reason,
    txSignature,
  }) {
    const embed = {
      title: '🔴 Position Closed',
      color: 0xff0000, // Red
      timestamp: new Date().toISOString(),
      fields: [
        {
          name: '📋 Position',
          value: `[${positionAddress.slice(0, 8)}...${positionAddress.slice(-8)}](https://solscan.io/account/${positionAddress})`,
          inline: true,
        },
        {
          name: '🏊 Pool',
          value: poolName || 'Unknown',
          inline: true,
        },
        {
          name: '📝 Reason',
          value: reason || 'Manual close',
          inline: false,
        },
      ],
      footer: {
        text: 'Byreal Sniper Bot',
      },
    };

    if (txSignature) {
      embed.fields.push({
        name: '🔗 Transaction',
        value: `[View on Solscan](https://solscan.io/tx/${txSignature})`,
        inline: false,
      });
    }

    await this.sendNotification(embed);
  }

  /**
   * Send error notification
   */
  async notifyError({
    operation,
    positionAddress,
    error,
  }) {
    const embed = {
      title: '⚠️ Operation Failed',
      color: 0xffa500, // Orange
      timestamp: new Date().toISOString(),
      fields: [
        {
          name: '❌ Operation',
          value: operation,
          inline: true,
        },
        {
          name: '📋 Position',
          value: `[${positionAddress.slice(0, 8)}...${positionAddress.slice(-8)}](https://solscan.io/account/${positionAddress})`,
          inline: true,
        },
        {
          name: '🔴 Error',
          value: error.slice(0, 1000), // Discord field limit is 1024
          inline: false,
        },
      ],
      footer: {
        text: 'Byreal Sniper Bot',
      },
    };

    await this.sendNotification(embed);
  }
}

export default DiscordWebhook;