export interface ICampaignDiscountCode {
  code: string;
  description: string;
  value: number;
  type: 'percentage' | 'fixed';
  max_uses: number;
  used_count: number;
}

export interface ICampaign {
  campaign_id: string;
  client_id: string;
  name: string;
  status: 'draft' | 'building' | 'active' | 'paused' | 'completed' | 'failed';
  target_categories: string[];
  description: string;
  prompt_instruction: string;
  priority: 'soft' | 'balanced' | 'strong';
  language: string;
  min_price: number | null;
  max_price: number | null;
  goal: 'awareness' | 'conversion' | 'upsell' | 'clearance';
  tone_of_voice: string;
  discount_codes: ICampaignDiscountCode[];
  file_search_store_name: string | null;
  indexed_product_count: number;
  start_date: string | null;
  end_date: string | null;
  created_at: string | null;
  updated_at: string | null;
  report: ICampaignMetrics | null;
}

export interface ICampaignConversationStats {
  total_conversations: number;
  avg_messages: number;
  avg_duration_minutes: number;
  avg_intent_score: number;
  outcome_distribution: Record<string, number>;
  sentiment_breakdown: { positive: number; neutral: number; negative: number };
  satisfaction_rate: number;
  high_intent_conversations: number;
  high_intent_rate: number;
  top_questions: { question: string; count: number }[];
  top_pain_points: { issue: string; count: number }[];
}

export interface ICampaignMetrics {
  impressions: number;
  clicks: number;
  add_to_cart: number;
  cart_value: number;
  ctr: number;
  conversion_rate: number;
  unique_sessions: number;
  top_products: ICampaignProduct[];
  conversations: ICampaignConversationStats;
  computed_at?: string;
}

export interface ICampaignProduct {
  sku: string;
  name: string;
  impressions: number;
  clicks: number;
  add_to_cart: number;
  revenue: number;
}

export interface ICampaignPreviewProduct {
  sku: string;
  name: string;
  price: number;
  main_category: string;
  stock: number;
  image_url: string;
}

export interface ICreateCampaignPayload {
  name: string;
  target_categories: string[];
  description?: string;
  prompt_instruction?: string;
  priority?: 'soft' | 'balanced' | 'strong';
  start_date?: string;
  end_date?: string;
  language?: string;
  min_price?: number | null;
  max_price?: number | null;
  goal?: 'awareness' | 'conversion' | 'upsell' | 'clearance';
  tone_of_voice?: string;
  discount_codes?: ICampaignDiscountCode[];
}

export interface IUpdateCampaignPayload {
  name?: string;
  target_categories?: string[];
  description?: string;
  prompt_instruction?: string;
  priority?: 'soft' | 'balanced' | 'strong';
  start_date?: string;
  end_date?: string;
  language?: string;
  min_price?: number | null;
  max_price?: number | null;
  goal?: 'awareness' | 'conversion' | 'upsell' | 'clearance';
  tone_of_voice?: string;
  discount_codes?: ICampaignDiscountCode[];
}

export interface ICampaignResponse {
  message: string;
  status: number;
  errors: boolean;
  data: ICampaign;
}

export interface ICampaignListResponse {
  message: string;
  status: number;
  errors: boolean;
  data: {
    campaigns: ICampaign[];
    count: number;
  };
}

export interface ICampaignProductsResponse {
  message: string;
  status: number;
  errors: boolean;
  data: {
    products: ICampaignPreviewProduct[];
    count: number;
    categories: string[];
  };
}

export interface ICampaignAnalyticsResponse {
  message: string;
  status: number;
  errors: boolean;
  data: ICampaignMetrics;
}

export interface ICampaignDailyAnalyticsResponse {
  message: string;
  status: number;
  errors: boolean;
  data: {
    daily: (ICampaignMetrics & { date: string })[];
    count: number;
  };
}

export interface ICampaignCategoriesResponse {
  message: string;
  status: number;
  errors: boolean;
  data: {
    categories: string[];
    count: number;
  };
}

export interface ICampaignConversationsResponse {
  message: string;
  status: number;
  errors: boolean;
  data: {
    journeys: ICampaignJourneyItem[];
    count: number;
    next_cursor: string | null;
  };
}

export interface ICampaignJourneyItem {
  fingerprint: string;
  first_message_at: string | null;
  last_message_at: string | null;
  message_count: number;
  duration_minutes: number;
  language: string;
  summary: string;
  outcome: string;
  sentiment: string;
  purchase_intent_score: number;
  product_clicks: number;
  add_to_cart_count: number;
  liked_messages_count: number;
  disliked_messages_count: number;
  primary_category: string;
  last_stage: string;
}

export interface ICampaignActionResponse {
  message: string;
  status: number;
  errors: boolean;
  data: {
    campaign_id: string;
    status: string;
  };
}