package handler

import (
	"strconv"

	"kra/internal/server/httpx"
	"kra/internal/service"
	"kra/internal/service/dto"

	"github.com/gin-gonic/gin"
)

type Parameter struct {
	service *service.SettingsService
}

func NewParameter(service *service.SettingsService) *Parameter {
	return &Parameter{service: service}
}

func (h *Parameter) Create(c *gin.Context) {
	var req dto.SystemParameterRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		httpx.Fail(c, err.Error())
		return
	}
	if err := h.service.CreateParameterRequest(c.Request.Context(), &req); err != nil {
		httpx.Fail(c, "创建失败:"+err.Error())
		return
	}
	httpx.Write(c, httpx.CodeSuccess, gin.H{}, "创建成功")
}

func (h *Parameter) Update(c *gin.Context) {
	var req dto.SystemParameterRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		httpx.Fail(c, err.Error())
		return
	}
	if err := h.service.UpdateParameterRequest(c.Request.Context(), &req); err != nil {
		httpx.Fail(c, "更新失败:"+err.Error())
		return
	}
	httpx.Write(c, httpx.CodeSuccess, gin.H{}, "更新成功")
}

func (h *Parameter) Delete(c *gin.Context) {
	id, _ := strconv.ParseUint(c.Query("ID"), 10, 64)
	if err := h.service.DeleteParameters(c.Request.Context(), []uint{uint(id)}); err != nil {
		httpx.Fail(c, "删除失败:"+err.Error())
		return
	}
	httpx.Write(c, httpx.CodeSuccess, gin.H{}, "删除成功")
}

func (h *Parameter) DeleteMany(c *gin.Context) {
	ids := IDsFromQuery(c)
	if err := h.service.DeleteParameters(c.Request.Context(), ids); err != nil {
		httpx.Fail(c, "批量删除失败:"+err.Error())
		return
	}
	httpx.Write(c, httpx.CodeSuccess, gin.H{}, "批量删除成功")
}

func (h *Parameter) Find(c *gin.Context) {
	id, _ := strconv.ParseUint(c.Query("ID"), 10, 64)
	item, err := h.service.Parameter(c.Request.Context(), uint(id), "")
	if err != nil {
		httpx.Fail(c, "查询失败:"+err.Error())
		return
	}
	httpx.OKWithData(c, item)
}

func (h *Parameter) Get(c *gin.Context) {
	item, err := h.service.Parameter(c.Request.Context(), 0, c.Query("key"))
	if err != nil {
		httpx.Fail(c, "获取失败:"+err.Error())
		return
	}
	httpx.Write(c, httpx.CodeSuccess, item, "获取成功")
}

func (h *Parameter) List(c *gin.Context) {
	p, size := page(c)
	start, startErr := parseTime(c.Query("startCreatedAt"))
	end, endErr := parseTime(c.Query("endCreatedAt"))
	if startErr != nil || endErr != nil {
		httpx.Fail(c, "参数错误")
		return
	}
	items, total, err := h.service.ParametersFilter(c.Request.Context(), p, size, c.Query("name"), c.Query("key"), start, end)
	if err != nil {
		httpx.Fail(c, "获取失败:"+err.Error())
		return
	}
	httpx.Write(c, httpx.CodeSuccess, httpx.PageResult{List: items, Total: total, Page: p, PageSize: size}, "获取成功")
}