import axios from 'axios';
import type {
  BuilderFormData,
  PageBlueprint,
  SiteBlueprint,
  SiteStructure,
} from '../types/siteBuilder';

const API_ROOT = import.meta.env.VITE_API_URL ?? 'http://localhost:8010/api';
const BASE_PATH = `${API_ROOT}/v1/site-builder`;

const client = axios.create({
  baseURL: BASE_PATH,
  withCredentials: true,
});

export interface CreateBlueprintPayload {
  name: string;
  description?: string;
  site_id: number;
  sector_id: number;
  hosting_type: BuilderFormData['hostingType'];
  config_json: Record<string, unknown>;
}

export interface GenerateStructurePayload {
  business_brief: string;
  objectives: string[];
  style: BuilderFormData['style'];
  metadata?: Record<string, unknown>;
}

export const builderApi = {
  async getBlueprint(blueprintId: number): Promise<SiteBlueprint> {
    const res = await client.get(`/blueprints/${blueprintId}/`);
    return res.data;
  },
  async listBlueprints(): Promise<SiteBlueprint[]> {
    const res = await client.get('/blueprints/');
    if (Array.isArray(res.data?.results)) {
      return res.data.results as SiteBlueprint[];
    }
    return Array.isArray(res.data) ? res.data : [];
  },

  async createBlueprint(payload: CreateBlueprintPayload): Promise<SiteBlueprint> {
    const res = await client.post('/blueprints/', payload);
    return res.data;
  },

  async generateStructure(
    blueprintId: number,
    payload: GenerateStructurePayload,
  ): Promise<{ task_id?: string; success?: boolean; structure?: SiteStructure }> {
    const res = await client.post(`/blueprints/${blueprintId}/generate_structure/`, payload);
    return res.data;
  },

  async listPages(blueprintId: number): Promise<PageBlueprint[]> {
    const res = await client.get(`/pages/?site_blueprint=${blueprintId}`);
    return Array.isArray(res.data?.results) ? res.data.results : res.data;
  },

  async generateAllPages(
    blueprintId: number,
    options?: { pageIds?: number[]; force?: boolean },
  ): Promise<{ success: boolean; pages_queued: number; task_ids: number[]; celery_task_id?: string }> {
    const res = await client.post(`/blueprints/${blueprintId}/generate_all_pages/`, {
      page_ids: options?.pageIds,
      force: options?.force || false,
    });
    return res.data?.data || res.data;
  },

  async createTasksForPages(
    blueprintId: number,
    pageIds?: number[],
  ): Promise<{ tasks: unknown[]; count: number }> {
    const res = await client.post(`/blueprints/${blueprintId}/create_tasks/`, {
      page_ids: pageIds,
    });
    return res.data?.data || res.data;
  },
};