package threshold_activity

import (
	"context"
	"time"

	"bindbox-game/internal/pkg/logger"
	"bindbox-game/internal/repository/mysql"
	usersvc "bindbox-game/internal/service/user"
)

type Service interface {
	CreateActivity(ctx context.Context, req SaveActivityRequest) (*Activity, error)
	UpdateActivity(ctx context.Context, id int64, req SaveActivityRequest) error
	CopyActivity(ctx context.Context, id int64, req SaveActivityRequest) (int64, error)
	ListActivities(ctx context.Context, req ListActivitiesRequest) (*ListActivitiesResponse, error)
	GetActivity(ctx context.Context, id int64, userID int64) (*ActivityDetail, error)
	GetActivityAdmin(ctx context.Context, id int64) (*ActivityDetail, error)
	DeleteActivity(ctx context.Context, id int64) error
	SavePrizes(ctx context.Context, activityID int64, prizes []PrizeInput) error
	ListParticipants(ctx context.Context, activityID int64, page int, pageSize int) (*ParticipantResponse, error)
	Join(ctx context.Context, activityID int64, userID int64) error
	ListWinners(ctx context.Context, activityID int64, page int, pageSize int) (*WinnerListResponse, error)
	ListJoinableActivitiesForUser(ctx context.Context, userID int64) ([]JoinableActivityItem, error)
	Draw(ctx context.Context, activityID int64) error
	DrawDueActivities(ctx context.Context) error
	GetCost(ctx context.Context, activityID int64) (*CostSummary, error)
	GetCostSummary(ctx context.Context, startTime *time.Time, endTime *time.Time) (*CostSummary, error)
}

type service struct {
	logger  logger.CustomLogger
	repo    mysql.Repo
	userSvc usersvc.Service
}

func New(log logger.CustomLogger, repo mysql.Repo) Service {
	return &service{logger: log, repo: repo, userSvc: usersvc.New(log, repo)}
}

func isJoinWindowOpen(activity Activity, now time.Time) bool {
	if activity.Status != StatusActive {
		return false
	}
	if now.Before(activity.StartTime) {
		return false
	}
	if now.After(activity.EndTime) || now.After(activity.DrawTime) {
		return false
	}
	return true
}