package handlers

import (
	"platform/pkg/u"
	"platform/web/auth"
	"platform/web/core"
	g "platform/web/globals"
	q "platform/web/queries"
	"time"

	"github.com/gofiber/fiber/v2"
)

// PageBalanceActivityByAdmin 分页查询所有余额变动记录
func PageBalanceActivityByAdmin(c *fiber.Ctx) error {
	// 检查权限
	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeBalanceActivityRead)
	if err != nil {
		return err
	}

	// 解析请求参数
	req := new(PageBalanceActivityByAdminReq)
	if err := g.Validator.ParseBody(c, req); err != nil {
		return err
	}

	// 构造查询条件
	do := q.BalanceActivity.Where()
	if req.UserPhone != nil {
		do = do.Where(q.User.As("User").Phone.Eq(*req.UserPhone))
	}
	if req.CreatedAtStart != nil {
		t := u.DateHead(*req.CreatedAtStart)
		do = do.Where(q.BalanceActivity.CreatedAt.Gte(t))
	}
	if req.CreatedAtEnd != nil {
		t := u.DateTail(*req.CreatedAtEnd)
		do = do.Where(q.BalanceActivity.CreatedAt.Lte(t))
	}

	// 查询余额变动列表
	list, total, err := q.BalanceActivity.Debug().
		Joins(q.BalanceActivity.User, q.BalanceActivity.Admin, q.BalanceActivity.Bill).
		Select(
			q.BalanceActivity.ALL,
			q.User.As("User").Phone.As("User__phone"),
			q.User.As("User").Name.As("User__name"),
			q.Admin.As("Admin").Name.As("Admin__name"),
			q.Bill.As("Bill").BillNo.As("Bill__bill_no"),
		).
		Where(do).
		Order(q.BalanceActivity.CreatedAt.Desc()).
		FindByPage(req.GetOffset(), req.GetLimit())
	if err != nil {
		return core.NewBizErr("获取数据失败", err)
	}

	// 返回结果
	return c.JSON(core.PageResp{
		List:  list,
		Total: int(total),
		Page:  req.GetPage(),
		Size:  req.GetSize(),
	})
}

type PageBalanceActivityByAdminReq struct {
	core.PageReq
	UserPhone      *string    `json:"user_phone,omitempty"`
	CreatedAtStart *time.Time `json:"created_at_start,omitempty"`
	CreatedAtEnd   *time.Time `json:"created_at_end,omitempty"`
}

// PageBalanceActivityOfUserByAdmin 分页查询指定用户的余额变动记录
func PageBalanceActivityOfUserByAdmin(c *fiber.Ctx) error {
	// 检查权限
	_, err := auth.GetAuthCtx(c).PermitAdmin(core.ScopeBalanceActivityReadOfUser)
	if err != nil {
		return err
	}

	// 解析请求参数
	req := new(PageBalanceActivityOfUserByAdminReq)
	if err := g.Validator.ParseBody(c, req); err != nil {
		return err
	}

	// 构造查询条件
	do := q.BalanceActivity.Where(q.BalanceActivity.UserID.Eq(req.UserID))
	if req.CreatedAtStart != nil {
		t := u.DateHead(*req.CreatedAtStart)
		do = do.Where(q.BalanceActivity.CreatedAt.Gte(t))
	}
	if req.CreatedAtEnd != nil {
		t := u.DateTail(*req.CreatedAtEnd)
		do = do.Where(q.BalanceActivity.CreatedAt.Lte(t))
	}

	// 查询余额变动列表
	list, total, err := q.BalanceActivity.
		Joins(q.BalanceActivity.Admin, q.BalanceActivity.Bill).
		Select(
			q.BalanceActivity.ALL,
			q.Admin.As("Admin").Name.As("Admin__name"),
			q.Bill.As("Bill").BillNo.As("Bill__bill_no"),
		).
		Where(do).
		Order(q.BalanceActivity.CreatedAt.Desc()).
		FindByPage(req.GetOffset(), req.GetLimit())
	if err != nil {
		return core.NewBizErr("获取数据失败", err)
	}

	// 返回结果
	return c.JSON(core.PageResp{
		List:  list,
		Total: int(total),
		Page:  req.GetPage(),
		Size:  req.GetSize(),
	})
}

type PageBalanceActivityOfUserByAdminReq struct {
	core.PageReq
	UserID         int32      `json:"user_id" validate:"required"`
	CreatedAtStart *time.Time `json:"created_at_start,omitempty"`
	CreatedAtEnd   *time.Time `json:"created_at_end,omitempty"`
}