package com.chowbox.controller;

import com.chowbox.model.ApiResponse;
import com.chowbox.model.FridgeMatchResult;
import com.chowbox.service.FridgeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

@Slf4j
@RestController
@RequestMapping("/api/fridge")
public class FridgeController {

    @Autowired
    private FridgeService fridgeService;

    @PostMapping("/match")
    public ApiResponse<List<FridgeMatchResult>> match(@RequestBody Map<String, Object> body) {
        Object ingObj = body.get("ingredients");
        log.info("Fridge match request: ingredients type={}, value={}", ingObj != null ? ingObj.getClass().getSimpleName() : "null", ingObj);

        List<String> ingredients = new ArrayList<>();
        if (ingObj instanceof List) {
            for (Object item : (List<?>) ingObj) {
                if (item != null) ingredients.add(item.toString());
            }
        }

        if (ingredients.isEmpty()) {
            return ApiResponse.fail(400, "请输入至少一种食材");
        }

        // 接收前端自定义常备调料
        List<String> staples = new ArrayList<>();
        Object stapleObj = body.get("staples");
        if (stapleObj instanceof List) {
            for (Object item : (List<?>) stapleObj) {
                if (item != null) staples.add(item.toString());
            }
        }

        log.info("Fridge match: parsed ingredients={}, staples={}", ingredients, staples);
        List<FridgeMatchResult> results = fridgeService.matchRecipes(ingredients, staples);
        log.info("Fridge match: {} results", results.size());
        return ApiResponse.ok(results);
    }
}