package handler

import (
	"errors"
	"github.com/gin-gonic/gin"
	bizgift "kra/internal/biz/gift"
	"kra/internal/service/dto"
	service "kra/internal/service/gift"
)

type Gift struct{ s *service.Service }

func NewGift(s *service.Service) *Gift { return &Gift{s: s} }
func (h *Gift) List(c *gin.Context) {
	in, ok := bindQuery[dto.GiftListRequest](c)
	if !ok {
		return
	}
	v, total, e := h.s.List(c.Request.Context(), in)
	if e != nil {
		businessFail(c, e)
		return
	}
	OKWithData(c, gin.H{"list": v, "total": total})
}
func (h *Gift) PublicList(c *gin.Context) {
	enabled := true
	in := &dto.GiftListRequest{LiveListRequest: dto.LiveListRequest{Page: 1, PageSize: 100, OrderBy: "sort_asc"}, Enabled: &enabled}
	v, _, e := h.s.List(c.Request.Context(), in)
	if e != nil {
		businessFail(c, e)
		return
	}
	OKWithData(c, gin.H{"list": v})
}
func (h *Gift) Get(c *gin.Context) {
	id, ok := businessID(c)
	if !ok {
		return
	}
	v, e := h.s.Get(c.Request.Context(), id)
	if e != nil {
		businessFail(c, e)
		return
	}
	OKWithData(c, v)
}
func (h *Gift) Create(c *gin.Context) {
	in, ok := bindJSON[dto.GiftRequest](c)
	if !ok {
		return
	}
	v, e := h.s.Save(c.Request.Context(), 0, in)
	if e != nil {
		businessFail(c, e)
		return
	}
	OKWithData(c, v)
}
func (h *Gift) Update(c *gin.Context) {
	id, ok := businessID(c)
	if !ok {
		return
	}
	in, ok := bindJSON[dto.GiftRequest](c)
	if !ok {
		return
	}
	v, e := h.s.Save(c.Request.Context(), id, in)
	if e != nil {
		businessFail(c, e)
		return
	}
	OKWithData(c, v)
}
func (h *Gift) Delete(c *gin.Context) {
	id, ok := businessID(c)
	if !ok {
		return
	}
	if e := h.s.Delete(c.Request.Context(), id); e != nil {
		businessFail(c, e)
		return
	}
	OK(c)
}
func (h *Gift) Status(c *gin.Context) {
	id, ok := businessID(c)
	if !ok {
		return
	}
	in, ok := bindJSON[dto.LiveStatusRequest](c)
	if !ok {
		return
	}
	if e := h.s.SetEnabled(c.Request.Context(), id, in.Enabled); e != nil {
		businessFail(c, e)
		return
	}
	OK(c)
}
func (h *Gift) Sort(c *gin.Context) {
	in, ok := bindJSON[dto.LiveSortRequest](c)
	if !ok {
		return
	}
	if e := h.s.SaveSort(c.Request.Context(), in.Values); e != nil {
		businessFail(c, e)
		return
	}
	OK(c)
}
func (h *Gift) Sends(c *gin.Context) {
	in, ok := bindQuery[dto.GiftSendListRequest](c)
	if !ok {
		return
	}
	v, total, sum, e := h.s.ListSends(c.Request.Context(), in)
	if e != nil {
		businessFail(c, e)
		return
	}
	OKWithData(c, gin.H{"list": v, "total": total, "summary": sum})
}
func (h *Gift) Send(c *gin.Context) {
	id, ok := businessID(c)
	if !ok {
		return
	}
	in, ok := bindJSON[dto.GiftSendRequest](c)
	if !ok {
		return
	}
	claims := Claims(c)
	if claims == nil {
		NoAuth(c, "请登录")
		return
	}
	v, e := h.s.Send(c.Request.Context(), claims.ID, id, in)
	if e != nil {
		var insufficient *bizgift.InsufficientBalanceError
		if errors.As(e, &insufficient) {
			Write(c, CodeError, gin.H{
				"reason":   "insufficient_balance",
				"required": insufficient.Required,
				"balance":  insufficient.Balance,
				"missing":  insufficient.Missing,
			}, e.Error())
			return
		}
		businessFail(c, e)
		return
	}
	OKWithData(c, v)
}