package controllers

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/sirupsen/logrus"
	"net/http"
	"psi/constant"
	"psi/database"
	systemReq "psi/models/request"
	systemRes "psi/models/response"
	"psi/service"
	"psi/utils"
)

type SupplierApi struct{}

var supplierService = service.SupplierService{}

// GetSupplierList 获取供应商列表
func (r *SupplierApi) GetSupplierList(c *gin.Context) {
	var req systemReq.GetSupplierListRequest

	if err := c.ShouldBindQuery(&req); err != nil {
		ValidAndFail(constant.LoggerChannelRequest, "供应商列表请求参数异常", "参数错误: "+err.Error(), c, err)
		return
	}

	result, err := supplierService.GetSupplierList(req, database.GetDB(c))
	if err != nil {
		utils.FailWithRequestLog(constant.LoggerChannelWork, "供应商列表异常", err, c, req)
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"code": 200,
		"data": result,
	})
}

// GetSupplierDetail 获取供应商详情
func (r *SupplierApi) GetSupplierDetail(c *gin.Context) {
	idStr := c.Param("id")

	if idStr == "" {
		utils.ErrorLog(constant.LoggerChannelRequest, logrus.Fields{
			"source":  "获取供应商详情请求参数异常",
			"err_msg": "ID参数不能为空",
		})
		systemRes.FailWithValidateMessage("参数错误: ID不能为空", c)
		return
	}

	var id int64
	if _, err := fmt.Sscanf(idStr, "%d", &id); err != nil || id <= 0 {
		utils.ErrorLog(constant.LoggerChannelRequest, logrus.Fields{
			"source":  "获取供应商详情请求参数异常",
			"err_msg": "ID格式错误: " + idStr,
		})
		systemRes.FailWithValidateMessage("参数错误: ID格式不正确", c)
		return
	}

	result, err := supplierService.GetSupplierDetail(id, database.GetDB(c))
	if err != nil {
		utils.FailWithRequestLog(constant.LoggerChannelWork, "供应商详情异常", err, c, gin.H{"id": id})
		return
	}

	systemRes.OkWithDetailed(result, "查询成功", c)
}

// CreateSupplier 创建供应商
func (r *SupplierApi) CreateSupplier(c *gin.Context) {
	var req systemReq.AddSupplierRequest

	if err := c.ShouldBind(&req); err != nil {
		ValidAndFail(constant.LoggerChannelRequest, "创建供应商请求参数异常", "参数错误: "+err.Error(), c, err)
		return
	}

	id, err := supplierService.CreateSupplier(req, database.GetDB(c))
	if err != nil {
		utils.FailWithRequestLog(constant.LoggerChannelWork, "创建供应商异常", err, c, req)
		return
	}
	systemRes.OkWithDetailed(gin.H{"id": id}, "创建成功", c)
}

// UpdateSupplier 更新供应商
func (r *SupplierApi) UpdateSupplier(c *gin.Context) {
	var req systemReq.UpdateSupplierRequest

	if err := c.ShouldBind(&req); err != nil {
		ValidAndFail(constant.LoggerChannelRequest, "更新供应商请求参数异常", "参数错误: "+err.Error(), c, err)
		return
	}

	err := supplierService.UpdateSupplier(req, database.GetDB(c))
	if err != nil {
		utils.FailWithRequestLog(constant.LoggerChannelWork, "更新供应商异常", err, c, req)
		return
	}

	systemRes.OkWithMessage("更新成功", c)
}

// DeleteSupplier 删除供应商
func (r *SupplierApi) DeleteSupplier(c *gin.Context) {
	var req systemReq.DeleteSupplierRequest

	if err := c.ShouldBind(&req); err != nil {
		ValidAndFail(constant.LoggerChannelRequest, "删除供应商请求参数异常", "参数错误: "+err.Error(), c, err)
		return
	}

	err := supplierService.DeleteSupplier(req, database.GetDB(c))
	if err != nil {
		utils.FailWithRequestLog(constant.LoggerChannelWork, "删除供应商异常", err, c, req)
		return
	}

	systemRes.OkWithMessage("删除成功", c)
}