export interface PlatformAdapter {
  fetchOrders(
    shopId: string,
    dateRange: { start: Date; end: Date },
    traceId: string
  ): Promise<any[]>;
  
  fetchReturns(
    shopId: string,
    returnIds?: string[],
    traceId?: string
  ): Promise<any[]>;
  
  getReturnById(returnId: string, traceId: string): Promise<any>;
  
  getRefundStatus(refundId: string, traceId: string): Promise<any>;
}

import { Logger } from '../utils/Logger';

export class TikTokAdapter implements PlatformAdapter {
  private logger = new Logger('TikTokAdapter');
  
  async fetchOrders(
    shopId: string,
    dateRange: { start: Date; end: Date },
    traceId: string
  ): Promise<any[]> {
    this.logger.info('Fetching TikTok orders', { shopId, dateRange, traceId });
    
    return this.executeInTab('https://seller.tiktok.com/orders', async () => {
      const orders: any[] = [];
      
      const orderElements = document.querySelectorAll('[data-order-id]');
      
      for (const el of orderElements) {
        const orderId = el.getAttribute('data-order-id');
        const statusEl = el.querySelector('[data-order-status]');
        const amountEl = el.querySelector('[data-order-amount]');
        
        if (orderId) {
          orders.push({
            orderId,
            platform: 'tiktok',
            shopId,
            status: statusEl?.textContent?.trim() || 'UNKNOWN',
            totalAmount: parseFloat(amountEl?.textContent?.replace(/[^0-9.]/g, '') || '0'),
            currency: 'USD',
            items: [],
            customerInfo: {},
            createdAt: new Date().toISOString(),
            updatedAt: new Date().toISOString(),
            traceId,
          });
        }
      }
      
      return orders;
    });
  }
  
  async fetchReturns(
    shopId: string,
    returnIds?: string[],
    traceId?: string
  ): Promise<any[]> {
    this.logger.info('Fetching TikTok returns', { shopId, returnIds, traceId });
    
    return this.executeInTab('https://seller.tiktok.com/returns', async () => {
      const returns: any[] = [];
      
      const returnElements = document.querySelectorAll('[data-return-id]');
      
      for (const el of returnElements) {
        const returnId = el.getAttribute('data-return-id');
        const orderId = el.getAttribute('data-order-id');
        const statusEl = el.querySelector('[data-return-status]');
        
        if (returnId) {
          returns.push({
            returnId,
            orderId,
            platform: 'tiktok',
            shopId,
            status: statusEl?.textContent?.trim() || 'UNKNOWN',
            reason: '',
            items: [],
            refundAmount: 0,
            currency: 'USD',
            createdAt: new Date().toISOString(),
            updatedAt: new Date().toISOString(),
            traceId,
          });
        }
      }
      
      return returns;
    });
  }
  
  async getReturnById(returnId: string, traceId: string): Promise<any> {
    this.logger.info('Getting TikTok return by ID', { returnId, traceId });
    
    return {
      returnId,
      orderId: '',
      platform: 'tiktok',
      shopId: '',
      status: 'UNKNOWN',
      reason: '',
      items: [],
      refundAmount: 0,
      currency: 'USD',
      createdAt: new Date().toISOString(),
      updatedAt: new Date().toISOString(),
      traceId,
    };
  }
  
  async getRefundStatus(refundId: string, traceId: string): Promise<any> {
    this.logger.info('Getting TikTok refund status', { refundId, traceId });
    
    return {
      refundId,
      returnId: '',
      orderId: '',
      platform: 'tiktok',
      shopId: '',
      status: 'PENDING',
      amount: 0,
      currency: 'USD',
      method: 'ORIGINAL_PAYMENT',
      traceId,
    };
  }
  
  private async executeInTab<T>(url: string, extractor: () => T): Promise<T> {
    return extractor();
  }
}

export class TemuAdapter implements PlatformAdapter {
  private logger = new Logger('TemuAdapter');
  
  async fetchOrders(
    shopId: string,
    dateRange: { start: Date; end: Date },
    traceId: string
  ): Promise<any[]> {
    this.logger.info('Fetching Temu orders', { shopId, dateRange, traceId });
    
    return this.executeInTab('https://agentseller.temu.com/orders', async () => {
      const orders: any[] = [];
      
      const orderElements = document.querySelectorAll('[data-order-id]');
      
      for (const el of orderElements) {
        const orderId = el.getAttribute('data-order-id');
        const statusEl = el.querySelector('[data-order-status]');
        const amountEl = el.querySelector('[data-order-amount]');
        
        if (orderId) {
          orders.push({
            orderId,
            platform: 'temu',
            shopId,
            status: statusEl?.textContent?.trim() || 'UNKNOWN',
            totalAmount: parseFloat(amountEl?.textContent?.replace(/[^0-9.]/g, '') || '0'),
            currency: 'USD',
            items: [],
            customerInfo: {},
            createdAt: new Date().toISOString(),
            updatedAt: new Date().toISOString(),
            traceId,
          });
        }
      }
      
      return orders;
    });
  }
  
  async fetchReturns(
    shopId: string,
    returnIds?: string[],
    traceId?: string
  ): Promise<any[]> {
    this.logger.info('Fetching Temu returns', { shopId, returnIds, traceId });
    
    return this.executeInTab('https://agentseller.temu.com/returns', async () => {
      const returns: any[] = [];
      
      const returnElements = document.querySelectorAll('[data-return-id]');
      
      for (const el of returnElements) {
        const returnId = el.getAttribute('data-return-id');
        const orderId = el.getAttribute('data-order-id');
        const statusEl = el.querySelector('[data-return-status]');
        
        if (returnId) {
          returns.push({
            returnId,
            orderId,
            platform: 'temu',
            shopId,
            status: statusEl?.textContent?.trim() || 'UNKNOWN',
            reason: '',
            items: [],
            refundAmount: 0,
            currency: 'USD',
            createdAt: new Date().toISOString(),
            updatedAt: new Date().toISOString(),
            traceId,
          });
        }
      }
      
      return returns;
    });
  }
  
  async getReturnById(returnId: string, traceId: string): Promise<any> {
    this.logger.info('Getting Temu return by ID', { returnId, traceId });
    
    return {
      returnId,
      orderId: '',
      platform: 'temu',
      shopId: '',
      status: 'UNKNOWN',
      reason: '',
      items: [],
      refundAmount: 0,
      currency: 'USD',
      createdAt: new Date().toISOString(),
      updatedAt: new Date().toISOString(),
      traceId,
    };
  }
  
  async getRefundStatus(refundId: string, traceId: string): Promise<any> {
    this.logger.info('Getting Temu refund status', { refundId, traceId });
    
    return {
      refundId,
      returnId: '',
      orderId: '',
      platform: 'temu',
      shopId: '',
      status: 'PENDING',
      amount: 0,
      currency: 'USD',
      method: 'ORIGINAL_PAYMENT',
      traceId,
    };
  }
  
  private async executeInTab<T>(url: string, extractor: () => T): Promise<T> {
    return extractor();
  }
}

export class ShopeeAdapter implements PlatformAdapter {
  private logger = new Logger('ShopeeAdapter');
  
  async fetchOrders(
    shopId: string,
    dateRange: { start: Date; end: Date },
    traceId: string
  ): Promise<any[]> {
    this.logger.info('Fetching Shopee orders', { shopId, dateRange, traceId });
    
    return this.executeInTab('https://shopee.com.my/seller/orders', async () => {
      const orders: any[] = [];
      
      const orderElements = document.querySelectorAll('[data-order-id]');
      
      for (const el of orderElements) {
        const orderId = el.getAttribute('data-order-id');
        const statusEl = el.querySelector('[data-order-status]');
        const amountEl = el.querySelector('[data-order-amount]');
        
        if (orderId) {
          orders.push({
            orderId,
            platform: 'shopee',
            shopId,
            status: statusEl?.textContent?.trim() || 'UNKNOWN',
            totalAmount: parseFloat(amountEl?.textContent?.replace(/[^0-9.]/g, '') || '0'),
            currency: 'MYR',
            items: [],
            customerInfo: {},
            createdAt: new Date().toISOString(),
            updatedAt: new Date().toISOString(),
            traceId,
          });
        }
      }
      
      return orders;
    });
  }
  
  async fetchReturns(
    shopId: string,
    returnIds?: string[],
    traceId?: string
  ): Promise<any[]> {
    this.logger.info('Fetching Shopee returns', { shopId, returnIds, traceId });
    
    return this.executeInTab('https://shopee.com.my/seller/returns', async () => {
      const returns: any[] = [];
      
      const returnElements = document.querySelectorAll('[data-return-id]');
      
      for (const el of returnElements) {
        const returnId = el.getAttribute('data-return-id');
        const orderId = el.getAttribute('data-order-id');
        const statusEl = el.querySelector('[data-return-status]');
        
        if (returnId) {
          returns.push({
            returnId,
            orderId,
            platform: 'shopee',
            shopId,
            status: statusEl?.textContent?.trim() || 'UNKNOWN',
            reason: '',
            items: [],
            refundAmount: 0,
            currency: 'MYR',
            createdAt: new Date().toISOString(),
            updatedAt: new Date().toISOString(),
            traceId,
          });
        }
      }
      
      return returns;
    });
  }
  
  async getReturnById(returnId: string, traceId: string): Promise<any> {
    this.logger.info('Getting Shopee return by ID', { returnId, traceId });
    
    return {
      returnId,
      orderId: '',
      platform: 'shopee',
      shopId: '',
      status: 'UNKNOWN',
      reason: '',
      items: [],
      refundAmount: 0,
      currency: 'MYR',
      createdAt: new Date().toISOString(),
      updatedAt: new Date().toISOString(),
      traceId,
    };
  }
  
  async getRefundStatus(refundId: string, traceId: string): Promise<any> {
    this.logger.info('Getting Shopee refund status', { refundId, traceId });
    
    return {
      refundId,
      returnId: '',
      orderId: '',
      platform: 'shopee',
      shopId: '',
      status: 'PENDING',
      amount: 0,
      currency: 'MYR',
      method: 'ORIGINAL_PAYMENT',
      traceId,
    };
  }
  
  private async executeInTab<T>(url: string, extractor: () => T): Promise<T> {
    return extractor();
  }
}
