/**
 * Recipes service - API communication layer
 * Handles all recipe-related HTTP requests using the API client
 */

import { apiClient } from '../client/apiClient';
import type {
  RecipeResponse,
  RecipeCreate,
  RecipeUpdate,
  RecipeSearchParams,
  RecipeDuplicateRequest,
  RecipeFeasibilityResponse,
  RecipeStatisticsResponse,
  RecipeCategoriesResponse,
  ProductionBatchResponse,
  ProductionBatchCreate,
  ProductionBatchUpdate,
} from '../types/recipes';

/**
 * Recipes API service
 * All methods return promises that resolve to the response data
 */
export class RecipesService {
  private readonly baseUrl = '/recipes';

  /**
   * Create a new recipe
   */
  async createRecipe(recipeData: RecipeCreate): Promise<RecipeResponse> {
    return apiClient.post<RecipeResponse>(this.baseUrl, recipeData);
  }

  /**
   * Get recipe by ID with ingredients
   */
  async getRecipe(recipeId: string): Promise<RecipeResponse> {
    return apiClient.get<RecipeResponse>(`${this.baseUrl}/${recipeId}`);
  }

  /**
   * Update an existing recipe
   */
  async updateRecipe(recipeId: string, recipeData: RecipeUpdate): Promise<RecipeResponse> {
    return apiClient.put<RecipeResponse>(`${this.baseUrl}/${recipeId}`, recipeData);
  }

  /**
   * Delete a recipe
   */
  async deleteRecipe(recipeId: string): Promise<{ message: string }> {
    return apiClient.delete<{ message: string }>(`${this.baseUrl}/${recipeId}`);
  }

  /**
   * Search recipes with filters
   */
  async searchRecipes(params: RecipeSearchParams = {}): Promise<RecipeResponse[]> {
    const searchParams = new URLSearchParams();

    Object.entries(params).forEach(([key, value]) => {
      if (value !== undefined && value !== null && value !== '') {
        searchParams.append(key, String(value));
      }
    });

    const queryString = searchParams.toString();
    const url = queryString ? `${this.baseUrl}?${queryString}` : this.baseUrl;

    return apiClient.get<RecipeResponse[]>(url);
  }

  /**
   * Get all recipes (shorthand for search without filters)
   */
  async getRecipes(): Promise<RecipeResponse[]> {
    return this.searchRecipes();
  }

  /**
   * Duplicate an existing recipe
   */
  async duplicateRecipe(recipeId: string, duplicateData: RecipeDuplicateRequest): Promise<RecipeResponse> {
    return apiClient.post<RecipeResponse>(`${this.baseUrl}/${recipeId}/duplicate`, duplicateData);
  }

  /**
   * Activate a recipe for production
   */
  async activateRecipe(recipeId: string): Promise<RecipeResponse> {
    return apiClient.post<RecipeResponse>(`${this.baseUrl}/${recipeId}/activate`);
  }

  /**
   * Check if recipe can be produced with current inventory
   */
  async checkRecipeFeasibility(recipeId: string, batchMultiplier: number = 1.0): Promise<RecipeFeasibilityResponse> {
    const params = new URLSearchParams({ batch_multiplier: String(batchMultiplier) });
    return apiClient.get<RecipeFeasibilityResponse>(`${this.baseUrl}/${recipeId}/feasibility?${params}`);
  }

  /**
   * Get recipe statistics for dashboard
   */
  async getRecipeStatistics(): Promise<RecipeStatisticsResponse> {
    return apiClient.get<RecipeStatisticsResponse>(`${this.baseUrl}/statistics/dashboard`);
  }

  /**
   * Get list of recipe categories used by tenant
   */
  async getRecipeCategories(): Promise<RecipeCategoriesResponse> {
    return apiClient.get<RecipeCategoriesResponse>(`${this.baseUrl}/categories/list`);
  }

  // Production Batch Methods

  /**
   * Create a production batch for a recipe
   */
  async createProductionBatch(batchData: ProductionBatchCreate): Promise<ProductionBatchResponse> {
    return apiClient.post<ProductionBatchResponse>('/production/batches', batchData);
  }

  /**
   * Get production batch by ID
   */
  async getProductionBatch(batchId: string): Promise<ProductionBatchResponse> {
    return apiClient.get<ProductionBatchResponse>(`/production/batches/${batchId}`);
  }

  /**
   * Update production batch
   */
  async updateProductionBatch(batchId: string, batchData: ProductionBatchUpdate): Promise<ProductionBatchResponse> {
    return apiClient.put<ProductionBatchResponse>(`/production/batches/${batchId}`, batchData);
  }

  /**
   * Delete production batch
   */
  async deleteProductionBatch(batchId: string): Promise<{ message: string }> {
    return apiClient.delete<{ message: string }>(`/production/batches/${batchId}`);
  }

  /**
   * Get production batches for a recipe
   */
  async getRecipeProductionBatches(recipeId: string): Promise<ProductionBatchResponse[]> {
    return apiClient.get<ProductionBatchResponse[]>(`/production/batches?recipe_id=${recipeId}`);
  }

  /**
   * Get all production batches with optional filtering
   */
  async getProductionBatches(params: {
    recipe_id?: string;
    status?: string;
    start_date?: string;
    end_date?: string;
    limit?: number;
    offset?: number;
  } = {}): Promise<ProductionBatchResponse[]> {
    const searchParams = new URLSearchParams();

    Object.entries(params).forEach(([key, value]) => {
      if (value !== undefined && value !== null && value !== '') {
        searchParams.append(key, String(value));
      }
    });

    const queryString = searchParams.toString();
    const url = queryString ? `/production/batches?${queryString}` : '/production/batches';

    return apiClient.get<ProductionBatchResponse[]>(url);
  }

  /**
   * Start production batch
   */
  async startProductionBatch(batchId: string): Promise<ProductionBatchResponse> {
    return apiClient.post<ProductionBatchResponse>(`/production/batches/${batchId}/start`);
  }

  /**
   * Complete production batch
   */
  async completeProductionBatch(
    batchId: string,
    completionData: {
      actual_quantity?: number;
      quality_score?: number;
      quality_notes?: string;
      waste_quantity?: number;
      waste_reason?: string;
    }
  ): Promise<ProductionBatchResponse> {
    return apiClient.post<ProductionBatchResponse>(`/production/batches/${batchId}/complete`, completionData);
  }

  /**
   * Cancel production batch
   */
  async cancelProductionBatch(batchId: string, reason?: string): Promise<ProductionBatchResponse> {
    return apiClient.post<ProductionBatchResponse>(`/production/batches/${batchId}/cancel`, { reason });
  }
}

// Create and export singleton instance
export const recipesService = new RecipesService();
export default recipesService;