export interface ContentGeneratorProduct {
  row_index: number;
  title: string;
  description: string;
  product_url: string;
  sku: string;
  tags: string;
  product_id: string;
  category: string;
}

export interface ContentGenerateFields {
  titles: boolean;
  descriptions: boolean;
  tags: boolean;
  faq: boolean;
}

export interface FieldPrompts {
  titles: string;
  descriptions: string;
  tags: string;
  faq: string;
}

export interface ContentGeneratorConfig {
  platform: 'woocommerce';
  tone: string;
  language: string;
  temperature: number;
  generate_fields: ContentGenerateFields;
  field_prompts: FieldPrompts;
  faq_in_description?: boolean;
}

export interface ContentGeneratorRequest {
  products: ContentGeneratorProduct[];
  config: ContentGeneratorConfig;
  email: string;
  plan: string;
}

/** Per-product catalog-quality action modes (synchronous, inline result). */
export type InlineGenerateMode = 'gap' | 'faq' | 'custom' | 'rewrite';

/** Body for the per-product inline-generate endpoint. */
export interface InlineGenerateRequest {
  mode: InlineGenerateMode;
  /** Required when `mode === "custom"`, optional steering for faq. */
  custom_prompt?: string;
  /** Optional title steering for gap / rewrite. */
  title_prompt?: string;
  /** Optional description steering for gap / rewrite. */
  description_prompt?: string;
  /** Language override; falls back to the audit's detected language. */
  language?: string;
  /** LLM creativity (0.1-1.0). */
  temperature?: number;
  /** How many Q&A pairs to write; faq mode only. */
  faq_count?: number;
}

/** Ready-to-paste copy returned by the inline-generate endpoint. */
export interface InlineGenerateResponse {
  content: string;
}

/** Optional tuning for the per-product "Replace title + description" email job. */
export interface ReplaceFromContentCheckRequest {
  custom_prompt?: string;
  language?: string;
  temperature?: number;
}

/**
 * Body for the "Bulk improve" endpoint. Platform + language are resolved
 * server-side (merchant row + audit's detected language), so they are absent.
 */
export interface BulkFromContentCheckRequest {
  generate_fields: ContentGenerateFields;
  field_prompts?: Partial<FieldPrompts>;
  tone: string;
  custom_tone?: string;
  temperature?: number;
  faq_in_description?: boolean;
  faq_count?: number;
  /** Scope the run to one audited SKU (per-row Replace) instead of every product. */
  sku?: string;
}

export interface ContentGeneratorJobResponse {
  job_id: string;
  product_count: number;
}

export interface ContentGeneratorStatusResponse {
  job_id: string;
  state: 'pending' | 'processing' | 'completed' | 'failed';
  progress: number;
  total_count: number;
  processed_count: number;
  current_step?: string;
  error?: string | null;
}

/**
 * Response payload for `GET /content-generator/active`.
 *
 * - `active=false, status=null` → no job in flight (caller must clear any
 *   cached `job_id` from `localStorage`).
 * - `active=true,  status=…`    → live status snapshot, ready to hydrate the
 *   progress UI without a separate `/status?job_id=…` round-trip.
 */
export interface ContentGeneratorActiveJobResponse {
  active: boolean;
  status: ContentGeneratorStatusResponse | null;
}

export interface ContentGeneratorUsage {
  used: number;
  limit: number;
  plan: string;
  remaining: number;
}

export interface ImprovePromptResponse {
  improved_prompt: string;
}

export interface BaseAgentResponse<T> {
  message: string;
  status: number;
  errors: boolean;
  data?: T;
  error?: string;
}

export interface PromptTemplate {
  template_id: string;
  name: string;
  description: string;
  language: string;
  titles_prompt: string;
  descriptions_prompt: string;
  tags_prompt: string;
  faq_prompt: string;
  tone: string;
  custom_tone: string;
  temperature: number;
  created_at: string | null;
  updated_at: string | null;
}

export interface PromptTemplateListData {
  templates: PromptTemplate[];
  next_cursor: string | null;
}

export interface PromptTemplateCreateRequest {
  name: string;
  description?: string;
  language?: string;
  titles_prompt?: string;
  descriptions_prompt?: string;
  tags_prompt?: string;
  faq_prompt?: string;
  tone?: string;
  custom_tone?: string;
  temperature?: number;
}

export interface PromptTemplateUpdateRequest
  extends PromptTemplateCreateRequest {}

export interface PromptTemplateDeleteData {
  deleted: boolean;
  template_id: string;
}

export interface DetectColumnsRequest {
  headers: string[];
  sample_rows: Record<string, string>[];
}

export interface DetectColumnsResponse {
  title: string | null;
  description: string | null;
  tags: string | null;
  sku: string | null;
  handle: string | null;
  collection: string | null;
  price: string | null;
  brand: string | null;
}

export type PromptTemplateApiResponse = BaseAgentResponse<PromptTemplate>;
export type PromptTemplateListApiResponse =
  BaseAgentResponse<PromptTemplateListData>;
export type PromptTemplateDeleteApiResponse =
  BaseAgentResponse<PromptTemplateDeleteData>;
export type DetectColumnsApiResponse = BaseAgentResponse<DetectColumnsResponse>;