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package com.example.thuan.controllers;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.web.bind.annotation.*;

import com.example.thuan.daos.CategoryDAO;
import com.example.thuan.models.CategoryDTO;
import com.example.thuan.respone.BaseResponse;
import com.example.thuan.respone.CategoryResponse;

import io.jsonwebtoken.lang.Arrays;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

@EnableWebSecurity
@RestController
@RequestMapping("/api/v1/categories")
public class CategoryController {

    CategoryDAO categoryDAO;

    @Autowired
    public CategoryController(CategoryDAO categoryDAO) {
        this.categoryDAO = categoryDAO;
    }

    @GetMapping("/")
    public BaseResponse<CategoryResponse> getCategoriesList() {
        try {
            List<CategoryDTO> categories = categoryDAO.findAll();

            CategoryResponse response = new CategoryResponse();
            response.setCategories(categories.toArray(new CategoryDTO[0]));

            return BaseResponse.success(
                    "Successfully retrieved categories",
                    200,
                    response,
                    null,
                    null);
        } catch (Exception e) {
            return BaseResponse.error(
                    "Failed to retrieve categories: " + e.getMessage(),
                    500,
                    null);
        }
    }

    @GetMapping("/filter")
    public BaseResponse<CategoryResponse> filterCategories(@RequestParam(required = false) String categoryIds) {
        try {
           List<Integer> ids = new ArrayList<>();
            if (categoryIds != null) {
                String[] parts = categoryIds.split(",");
                for (String part : parts) {
                    ids.add(Integer.parseInt(part.trim()));
                }
            } 

            List<CategoryDTO> categories = categoryDAO.searchByCategoryIds(ids);

            CategoryResponse response = new CategoryResponse();
            response.setCategories(categories.toArray(new CategoryDTO[0]));

            return BaseResponse.success(
                    "Successfully filtered categories",
                    200,
                    response,
                    null,
                    null);
        } catch (Exception e) {
            e.printStackTrace();
            return BaseResponse.error("Failed to filter categories: " + e.getMessage(), 500, null);
        }
    }

}