package com.oying.modules.pc.product.rest;

import com.oying.modules.pc.product.domain.Product;
import com.oying.modules.pc.product.domain.dto.ProductInventoryUpdateRequest;
import com.oying.modules.pc.product.service.ProductInventoryService;
import com.oying.utils.R;
import io.swagger.annotations.Api;
import lombok.RequiredArgsConstructor;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.Optional;

/**
 * @author lzp
 * @date 2025-09-10
 **/
@RestController
@RequiredArgsConstructor
@Api(tags = "商品库存")
@RequestMapping("/api/pc/product/{productId}/inventory")
public class ProductInventoryController {

    private final ProductInventoryService productInventoryService;

    @GetMapping
    public ResponseEntity<?> getStockInfo(@PathVariable Long productId) {
        return ResponseEntity.ok(R.success(productInventoryService.getProductById(productId)));
    }

    @PutMapping
    public ResponseEntity<?> setStock(@PathVariable Long productId, @RequestBody ProductInventoryUpdateRequest request) {
        Product product = productInventoryService.setStockQuantity(Optional.ofNullable(request.getProductId()).orElse(productId), request.getQuantity(), request.getVersion());
        return ResponseEntity.ok(R.success(product));
    }

    @PostMapping("/increase")
    public ResponseEntity<?> increaseStock(@PathVariable Long productId, @RequestBody ProductInventoryUpdateRequest request) {
        Product product = productInventoryService.increaseStock(Optional.ofNullable(request.getProductId()).orElse(productId), request.getAmount());
        return ResponseEntity.ok(R.success(product));
    }

    @PostMapping("/decrease")
    public ResponseEntity<?> decreaseStock(@PathVariable Long productId, @RequestBody ProductInventoryUpdateRequest request) {
        Product product = productInventoryService.decreaseStock(Optional.ofNullable(request.getProductId()).orElse(productId), request.getAmount());
        return ResponseEntity.ok(R.success(product));
    }

    @GetMapping("/sufficient")
    public ResponseEntity<?> checkStockSufficient(@PathVariable Long productId, @RequestParam Integer requiredAmount) {
        boolean isSufficient = productInventoryService.isStockSufficient(productId, requiredAmount);
        return ResponseEntity.ok(R.success(isSufficient));
    }
}