package domain

import (
	"time"

	dbgen "github.com/SamuelTariku/FortuneBet-Backend/gen/db"
	"github.com/jackc/pgx/v5/pgtype"
)

type BonusType string

var (
	WelcomeBonus BonusType = "welcome_bonus"
	DepositBonus BonusType = "deposit_bonus"
)

type UserBonus struct {
	ID           int64
	Name         string
	Description  string
	UserID       int64
	Type         BonusType
	RewardAmount Currency
	IsClaimed    bool
	ExpiresAt    time.Time
	CreatedAt    time.Time
	UpdatedAt    time.Time
}

type UserBonusRes struct {
	ID           int64     `json:"id"`
	Name         string    `json:"name"`
	Description  string    `json:"description"`
	UserID       int64     `json:"user_id"`
	Type         BonusType `json:"type"`
	RewardAmount float32   `json:"reward_amount"`
	IsClaimed    bool      `json:"is_claimed"`
	ExpiresAt    time.Time `json:"expires_at"`
	CreatedAt    time.Time `json:"created_at"`
	UpdatedAt    time.Time `json:"updated_at"`
}

func ConvertToBonusRes(bonus UserBonus) UserBonusRes {
	return UserBonusRes{
		ID:           bonus.ID,
		Name:         bonus.Name,
		Description:  bonus.Description,
		Type:         bonus.Type,
		UserID:       bonus.UserID,
		RewardAmount: bonus.RewardAmount.Float32(),
		IsClaimed:    bonus.IsClaimed,
		ExpiresAt:    bonus.ExpiresAt,
		CreatedAt:    bonus.CreatedAt,
		UpdatedAt:    bonus.UpdatedAt,
	}
}

func ConvertToBonusResList(bonuses []UserBonus) []UserBonusRes {
	result := make([]UserBonusRes, len(bonuses))

	for i, bonus := range bonuses {
		result[i] = ConvertToBonusRes(bonus)
	}

	return result
}

type CreateBonus struct {
	Name         string
	Description  string
	Type         BonusType
	UserID       int64
	RewardAmount Currency
	ExpiresAt    time.Time
}

// type CreateBonusReq struct {
// 	Name         string    `json:"name"`
// 	Description  string    `json:"description"`
// 	Type         BonusType `json:"type"`
// 	UserID       int64     `json:"user_id"`
// 	RewardAmount float32   `json:"reward_amount"`
// 	ExpiresAt    time.Time `json:"expires_at"`
// }

// func ConvertCreateBonusReq(bonus CreateBonusReq, companyID int64) CreateBonus {
// 	return CreateBonus{
// 		Name:         bonus.Name,
// 		Description:  bonus.Description,
// 		Type:         bonus.Type,
// 		UserID:       bonus.UserID,
// 		RewardAmount: ToCurrency(bonus.RewardAmount),
// 		ExpiresAt:    bonus.ExpiresAt,
// 	}
// }

func ConvertCreateBonus(bonus CreateBonus) dbgen.CreateUserBonusParams {
	return dbgen.CreateUserBonusParams{
		Name:         bonus.Name,
		Description:  bonus.Description,
		Type:         string(bonus.Type),
		UserID:       bonus.UserID,
		RewardAmount: int64(bonus.RewardAmount),
		ExpiresAt: pgtype.Timestamp{
			Time:  bonus.ExpiresAt,
			Valid: true,
		},
	}
}

func ConvertDBBonus(bonus dbgen.UserBonuse) UserBonus {
	return UserBonus{
		ID:          bonus.ID,
		Name:        bonus.Name,
		Description: bonus.Description,
		Type:        BonusType(bonus.Type),
		UserID:      bonus.UserID,

		RewardAmount: Currency(bonus.RewardAmount),
		IsClaimed:    bonus.IsClaimed,
		ExpiresAt:    bonus.ExpiresAt.Time,
		CreatedAt:    bonus.CreatedAt.Time,
		UpdatedAt:    bonus.UpdatedAt.Time,
	}
}

func ConvertDBBonuses(bonuses []dbgen.UserBonuse) []UserBonus {
	result := make([]UserBonus, len(bonuses))
	for i, bonus := range bonuses {
		result[i] = ConvertDBBonus(bonus)
	}
	return result
}

type BonusFilter struct {
	UserID    ValidInt64
	CompanyID ValidInt64
	Limit     ValidInt
	Offset    ValidInt
}

type BonusStats struct {
	TotalBonus        int64
	TotalRewardAmount Currency
	ClaimedBonuses    int64
	ExpiredBonuses    int64
}

type BonusStatsRes struct {
	TotalBonus        int64   `json:"total_bonus"`
	TotalRewardAmount float32 `json:"total_reward_amount"`
	ClaimedBonuses    int64   `json:"claimed_bonuses"`
	ExpiredBonuses    int64   `json:"expired_bonuses"`
}

func ConvertToBonusStatsRes(bonus BonusStats) BonusStatsRes {
	return BonusStatsRes{
		TotalBonus: bonus.TotalBonus,
		TotalRewardAmount: bonus.TotalRewardAmount.Float32(),
		ClaimedBonuses: bonus.ClaimedBonuses,
		ExpiredBonuses: bonus.ExpiredBonuses,
	}
}

func ConvertDBBonusStats(stats dbgen.GetBonusStatsRow) BonusStats {
	return BonusStats{
		TotalBonus:        stats.TotalBonuses,
		TotalRewardAmount: Currency(stats.TotalRewardEarned),
		ClaimedBonuses:    stats.ClaimedBonuses,
		ExpiredBonuses:    stats.ExpiredBonuses,
	}
}