package admin

import (
	"quyun/v2/app/services"
	"quyun/v2/database/models"
	"quyun/v2/pkg/fields"

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

// @provider
type statistics struct{}

type StatisticsResponse struct {
	PostDraft     int64 `json:"post_draft"`
	PostPublished int64 `json:"post_published"`
	Media         int64 `json:"media"`
	Order         int64 `json:"order"`
	User          int64 `json:"user"`
	Amount        int64 `json:"amount"`
}

// dashboard statistics
//
//	@Summary		仪表盘统计
//	@Tags			Admin Statistics
//	@Produce		json
//	@Success		200	{object}	StatisticsResponse	"成功"
//	@Router			/admin/statistics [get]
func (s *statistics) statistics(ctx fiber.Ctx) (*StatisticsResponse, error) {
	statistics := &StatisticsResponse{}

	var err error

	statistics.PostDraft, err = services.Posts.Count(
		ctx,
		models.PostQuery.Status.Eq(fields.PostStatusDraft),
	)
	if err != nil {
		return nil, err
	}
	statistics.PostPublished, err = services.Posts.Count(
		ctx,
		models.PostQuery.Status.Eq(fields.PostStatusPublished),
	)
	if err != nil {
		return nil, err
	}

	statistics.Media, err = services.Media.Count(ctx)
	if err != nil {
		return nil, err
	}

	// model.ExprCond(table.Orders.Status.EQ(Int(int64(fields.OrderStatusCompleted)))))
	statistics.Order, err = services.Orders.Count(ctx, models.OrderQuery.Status.Eq(fields.OrderStatusCompleted))
	if err != nil {
		return nil, err
	}

	statistics.User, err = services.Users.Count(ctx)
	if err != nil {
		return nil, err
	}

	statistics.Amount, err = services.Orders.SumAmount(ctx)
	if err != nil {
		return nil, err
	}

	return statistics, nil
}