package controller

import (
	"github.com/gin-gonic/gin"
	"hepa-calc-admin-api/api/dao"
	"hepa-calc-admin-api/api/dto"
	"hepa-calc-admin-api/api/model"
	"hepa-calc-admin-api/api/requests"
	"hepa-calc-admin-api/api/responses"
	"hepa-calc-admin-api/global"
	"hepa-calc-admin-api/utils"
	"strconv"
)

type SystemSingle struct{}

// GetSystemSingleList 获取单项配置列表
func (b *SystemSingle) GetSystemSingleList(c *gin.Context) {
	// 获取数据
	systemSingleDao := dao.SystemSingleDao{}
	SystemSingles, err := systemSingleDao.GetSystemSingleListSearch()
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 处理返回值
	g := dto.GetSystemSingleListDto(SystemSingles)

	responses.OkWithData(g, c)
}

// GetSystemSingle 获取单项配置详情
func (b *SystemSingle) GetSystemSingle(c *gin.Context) {
	id := c.Param("system_single_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	systemSingleId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	// 获取数据
	systemSingleDao := dao.SystemSingleDao{}
	SystemSingle, err := systemSingleDao.GetSystemSingleById(systemSingleId)
	if err != nil {
		responses.FailWithMessage("数据异常", c)
		return
	}

	// 处理返回值
	g := dto.GetSystemSingleDto(SystemSingle)

	responses.OkWithData(g, c)
}

// PutSystemSingle 修改会员配置
func (b *SystemSingle) PutSystemSingle(c *gin.Context) {
	SystemSingleRequest := requests.SystemSingleRequest{}
	req := SystemSingleRequest.PutSystemSingle
	if err := c.ShouldBindJSON(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	id := c.Param("system_single_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	systemSingleId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	// 获取问题数据
	SystemSingleDao := dao.SystemSingleDao{}
	systemSingle, err := SystemSingleDao.GetSystemSingleById(systemSingleId)
	if err != nil {
		responses.FailWithMessage("数据异常", c)
		return
	}

	// 修改值
	systemSingleData := make(map[string]interface{})

	// 首次购买价格
	if req.FirstTimePrice != systemSingle.FirstTimePrice {
		systemSingleData["first_time_price"] = req.FirstTimePrice
	}

	// 购买后有效天数
	if req.ValidDays != systemSingle.ValidDays {
		systemSingleData["valid_days"] = req.ValidDays
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	if len(systemSingleData) > 0 {
		err = SystemSingleDao.EditSystemSingleById(tx, systemSingle.SystemSingleId, systemSingleData)
		if err != nil {
			tx.Rollback()
			responses.FailWithMessage("操作失败", c)
			return
		}
	}

	tx.Commit()
	responses.Ok(c)
}

// AddSystemSingle 新增会员配置
func (b *SystemSingle) AddSystemSingle(c *gin.Context) {
	SystemSingleRequest := requests.SystemSingleRequest{}
	req := SystemSingleRequest.AddSystemSingle
	if err := c.ShouldBindJSON(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	systemSingle := &model.SystemSingle{
		FirstTimePrice: req.FirstTimePrice,
		ValidDays:      req.ValidDays,
	}

	systemSingleDao := dao.SystemSingleDao{}
	systemSingle, err := systemSingleDao.AddSystemSingle(tx, systemSingle)
	if err != nil {
		tx.Rollback()
		responses.FailWithMessage("操作失败", c)
		return
	}

	tx.Commit()
	responses.Ok(c)
}