import { WorkflowBase, WorkflowContext, WorkflowResult } from './workflow-base';
import { WorkflowType } from '@prisma/client';
import { FacebookAdsExpert } from '../integrations/claude/skills/facebook-ads-expert';
import { GoogleAdsExpert } from '../integrations/claude/skills/google-ads-expert';
import { FacebookAdsAPI } from '../integrations/ads/facebook-ads';
import { GoogleAdsAPI } from '../integrations/ads/google-ads';
import { log } from '../monitoring/logger';
import { integrations } from '../utils/config';

export class PaidAdsWorkflow extends WorkflowBase {
  protected type: WorkflowType = 'PAID_ADS';
  private fbExpert: FacebookAdsExpert;
  private googleExpert: GoogleAdsExpert;
  private fbAds: FacebookAdsAPI;
  private googleAds: GoogleAdsAPI;

  constructor(db: any, alerts: any) {
    super(db, alerts);
    this.fbExpert = new FacebookAdsExpert();
    this.googleExpert = new GoogleAdsExpert();
    this.fbAds = new FacebookAdsAPI();
    this.googleAds = new GoogleAdsAPI();
  }

  protected async execute(context: WorkflowContext): Promise<WorkflowResult> {
    const business = await this.getBusiness(context.businessId);

    log.info('Starting paid ads campaigns', { businessId: context.businessId });

    const results: any = {
      facebook: null,
      google: null,
    };

    try {
      // Step 1: Create Facebook Ads campaign
      if (integrations.hasFacebookAds()) {
        results.facebook = await this.createFacebookCampaign(business);
        log.info('Facebook campaign created', { businessId: context.businessId });
      } else {
        log.warn('Facebook Ads not configured - skipping', {
          businessId: context.businessId,
        });
      }

      // Step 2: Create Google Ads campaign
      if (integrations.hasGoogleAds()) {
        results.google = await this.createGoogleCampaign(business);
        log.info('Google Ads campaign created', { businessId: context.businessId });
      } else {
        log.warn('Google Ads not configured - skipping', {
          businessId: context.businessId,
        });
      }

      // Step 3: Update business status
      await this.db.business.update({
        where: { id: context.businessId },
        data: {
          adsActive: true,
          status: 'RUNNING_ADS',
        },
      });

      return {
        success: true,
        data: results,
      };
    } catch (error) {
      log.error('Paid ads workflow failed', error, { businessId: context.businessId });
      return {
        success: false,
        error: error instanceof Error ? error.message : String(error),
      };
    }
  }

  private async createFacebookCampaign(business: any): Promise<any> {
    try {
      // Get campaign strategy from Claude
      const strategy = await this.fbExpert.generateCampaignStrategy({
        businessName: business.name,
        businessIdea: business.idea,
        budget: business.budget || 500,
        targetAudience: business.targetAudience || 'general',
        goal: 'CONVERSIONS',
      });

      // Create campaign via Facebook Ads API
      const campaign = await this.fbAds.createCampaign({
        name: `${business.name} - Conversions`,
        objective: 'CONVERSIONS',
        budget: business.budget || 500,
        targeting: {
          age_min: 25,
          age_max: 65,
          interests: [],
        },
      });

      // Save campaign to database
      await this.db.campaign.create({
        data: {
          businessId: business.id,
          platform: 'FACEBOOK',
          campaignId: campaign.id,
          name: campaign.name,
          budget: business.budget || 500,
          dailyBudget: (business.budget || 500) / 30,
          active: true,
          targeting: campaign.targeting || {},
        },
      });

      return {
        success: true,
        campaignId: campaign.id,
        strategy: strategy.output,
      };
    } catch (error) {
      log.error('Facebook campaign creation failed', error);
      return {
        success: false,
        error: error instanceof Error ? error.message : String(error),
      };
    }
  }

  private async createGoogleCampaign(business: any): Promise<any> {
    try {
      // Get campaign strategy from Claude
      const strategy = await this.googleExpert.generateCampaignStrategy({
        businessName: business.name,
        businessIdea: business.idea,
        budget: business.budget || 500,
        targetKeywords: this.extractKeywords(business.idea),
        campaignType: 'SEARCH',
      });

      // Create campaign via Google Ads API
      const campaign = await this.googleAds.createCampaign({
        name: `${business.name} - Search`,
        type: 'SEARCH',
        budget: business.budget || 500,
        keywords: this.extractKeywords(business.idea),
      });

      // Save campaign to database
      await this.db.campaign.create({
        data: {
          businessId: business.id,
          platform: 'GOOGLE',
          campaignId: campaign.id,
          name: campaign.name,
          budget: business.budget || 500,
          dailyBudget: (business.budget || 500) / 30,
          active: true,
        },
      });

      return {
        success: true,
        campaignId: campaign.id,
        strategy: strategy.output,
      };
    } catch (error) {
      log.error('Google Ads campaign creation failed', error);
      return {
        success: false,
        error: error instanceof Error ? error.message : String(error),
      };
    }
  }

  private extractKeywords(text: string): string[] {
    return text
      .toLowerCase()
      .replace(/[^a-z0-9\s]/g, '')
      .split(/\s+/)
      .filter((w) => w.length > 3)
      .slice(0, 20);
  }
}