package com.bycrm.controller;

import com.bycrm.common.PageResult;
import com.bycrm.common.Result;
import com.bycrm.dto.CustomerDTO;
import com.bycrm.dto.PageQuery;
import com.bycrm.entity.Customer;
import com.bycrm.service.CustomerService;
import com.bycrm.vo.CustomerVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

/**
 * 客户控制器
 */
@Api(tags = "客户管理")
@RestController
@RequestMapping("/customer")
public class CustomerController {

    private final CustomerService customerService;

    public CustomerController(CustomerService customerService) {
        this.customerService = customerService;
    }

    /**
     * 分页查询客户
     */
    @ApiOperation("分页查询客户")
    @GetMapping("/page")
    public Result<PageResult<CustomerVO>> getCustomerPage(
            @ApiParam("当前页") @RequestParam(defaultValue = "1") Long current,
            @ApiParam("每页大小") @RequestParam(defaultValue = "10") Long size,
            @ApiParam("客户名称") @RequestParam(required = false) String name,
            @ApiParam("所属行业") @RequestParam(required = false) String industry,
            @ApiParam("状态") @RequestParam(required = false) Integer status) {
        PageQuery query = new PageQuery();
        query.setCurrent(current);
        query.setSize(size);

        PageResult<CustomerVO> result = customerService.getCustomerPage(query, name, industry, status);
        return Result.success(result);
    }

    /**
     * 根据ID获取客户详情
     */
    @ApiOperation("根据ID获取客户详情")
    @GetMapping("/{id}")
    public Result<CustomerVO> getCustomerById(@ApiParam("客户ID") @PathVariable Long id) {
        CustomerVO customer = customerService.getCustomerById(id);
        return Result.success(customer);
    }

    /**
     * 创建客户
     */
    @ApiOperation("创建客户")
    @PostMapping
    public Result<Customer> createCustomer(@RequestBody CustomerDTO customerDTO, HttpServletRequest request) {
        Long currentUserId = (Long) request.getAttribute("currentUserId");
        Customer customer = customerService.createCustomer(customerDTO, currentUserId);
        return Result.success(customer);
    }

    /**
     * 更新客户
     */
    @ApiOperation("更新客户")
    @PutMapping("/{id}")
    public Result<Void> updateCustomer(
            @ApiParam("客户ID") @PathVariable Long id,
            @RequestBody CustomerDTO customerDTO,
            HttpServletRequest request) {
        Long currentUserId = (Long) request.getAttribute("currentUserId");
        customerService.updateCustomer(id, customerDTO, currentUserId);
        return Result.success();
    }

    /**
     * 删除客户
     */
    @ApiOperation("删除客户")
    @DeleteMapping("/{id}")
    public Result<Void> deleteCustomer(@ApiParam("客户ID") @PathVariable Long id, HttpServletRequest request) {
        Long currentUserId = (Long) request.getAttribute("currentUserId");
        customerService.deleteCustomer(id, currentUserId);
        return Result.success();
    }

    /**
     * 根据名称搜索客户（用于客户唯一性校验）
     */
    @ApiOperation("根据名称搜索客户")
    @GetMapping("/search")
    public Result<List<Customer>> searchByName(@ApiParam("客户名称") @RequestParam String name) {
        List<Customer> customers = customerService.searchByName(name);
        return Result.success(customers);
    }
}