package v1

import (
	dto "quyun/v2/app/http/super/v1/dto"
	v1_dto "quyun/v2/app/http/v1/dto"
	"quyun/v2/app/requests"
	"quyun/v2/app/services"
	"quyun/v2/database/models"

	"github.com/gofiber/fiber/v3"
)

// @provider
type coupons struct{}

// List coupons
//
// @Router /super/v1/coupons [get]
// @Summary List coupons
// @Description List coupon templates across tenants
// @Tags Coupon
// @Accept json
// @Produce json
// @Param page query int false "Page number"
// @Param limit query int false "Page size"
// @Success 200 {object} requests.Pager{items=[]dto.SuperCouponItem}
// @Bind filter query
func (c *coupons) List(ctx fiber.Ctx, filter *dto.SuperCouponListFilter) (*requests.Pager, error) {
	return services.Super.ListCoupons(ctx, filter)
}

// Create coupon
//
// @Router /super/v1/tenants/:tenantID<int>/coupons [post]
// @Summary Create coupon
// @Description Create coupon for tenant
// @Tags Coupon
// @Accept json
// @Produce json
// @Param tenantID path int64 true "Tenant ID"
// @Param form body v1_dto.CouponCreateForm true "Create form"
// @Success 200 {object} v1_dto.CouponItem
// @Bind tenantID path
// @Bind form body
// @Bind user local key(__ctx_user)
func (c *coupons) Create(ctx fiber.Ctx, user *models.User, tenantID int64, form *v1_dto.CouponCreateForm) (*v1_dto.CouponItem, error) {
	return services.Coupon.Create(ctx, tenantID, user.ID, form)
}

// Get coupon
//
// @Router /super/v1/tenants/:tenantID<int>/coupons/:id<int> [get]
// @Summary Get coupon
// @Description Get coupon detail
// @Tags Coupon
// @Accept json
// @Produce json
// @Param tenantID path int64 true "Tenant ID"
// @Param id path int64 true "Coupon ID"
// @Success 200 {object} v1_dto.CouponItem
// @Bind tenantID path
// @Bind id path
func (c *coupons) Get(ctx fiber.Ctx, tenantID, id int64) (*v1_dto.CouponItem, error) {
	return services.Coupon.Get(ctx, tenantID, id)
}

// Update coupon
//
// @Router /super/v1/tenants/:tenantID<int>/coupons/:id<int> [put]
// @Summary Update coupon
// @Description Update coupon for tenant
// @Tags Coupon
// @Accept json
// @Produce json
// @Param tenantID path int64 true "Tenant ID"
// @Param id path int64 true "Coupon ID"
// @Param form body v1_dto.CouponUpdateForm true "Update form"
// @Success 200 {object} v1_dto.CouponItem
// @Bind tenantID path
// @Bind id path
// @Bind form body
// @Bind user local key(__ctx_user)
func (c *coupons) Update(ctx fiber.Ctx, user *models.User, tenantID, id int64, form *v1_dto.CouponUpdateForm) (*v1_dto.CouponItem, error) {
	return services.Coupon.Update(ctx, tenantID, user.ID, id, form)
}

// Grant coupon
//
// @Router /super/v1/tenants/:tenantID<int>/coupons/:id<int>/grant [post]
// @Summary Grant coupon
// @Description Grant coupon to users
// @Tags Coupon
// @Accept json
// @Produce json
// @Param tenantID path int64 true "Tenant ID"
// @Param id path int64 true "Coupon ID"
// @Param form body v1_dto.CouponGrantForm true "Grant form"
// @Success 200 {object} dto.SuperCouponGrantResponse
// @Bind tenantID path
// @Bind id path
// @Bind form body
func (c *coupons) Grant(ctx fiber.Ctx, tenantID, id int64, form *v1_dto.CouponGrantForm) (*dto.SuperCouponGrantResponse, error) {
	granted, err := services.Coupon.Grant(ctx, tenantID, id, form.UserIDs)
	if err != nil {
		return nil, err
	}
	return &dto.SuperCouponGrantResponse{Granted: granted}, nil
}