Yimaru-BackEnd/internal/domain/common.go

package domain

import (
	"encoding/json"
	"fmt"
	"strconv"
	"time"

	"github.com/jackc/pgx/v5/pgtype"
	"go.uber.org/zap"
)

var MongoDBLogger *zap.Logger

type ValidInt64 struct {
	Value int64
	Valid bool
}
type ValidInt struct {
	Value int
	Valid bool
}
type ValidInt32 struct {
	Value int32
	Valid bool
}

type ValidFloat32 struct {
	Value float32
	Valid bool
}

type ValidString struct {
	Value string
	Valid bool
}
type ValidTime struct {
	Value time.Time
	Valid bool
}
type ValidBool struct {
	Value bool
	Valid bool
}

// ValidInt64 → pgtype.Int8
func (v ValidInt64) ToPG() pgtype.Int8 {
	return pgtype.Int8{
		Int64: v.Value,
		Valid: v.Valid,
	}
}

// ValidInt32 → pgtype.Int4
func (v ValidInt32) ToPG() pgtype.Int4 {
	return pgtype.Int4{
		Int32: v.Value,
		Valid: v.Valid,
	}
}

// ValidInt → pgtype.Int4 (Go int mapped to int32 for pg compatibility)
func (v ValidInt) ToPG() pgtype.Int4 {
	return pgtype.Int4{
		Int32: int32(v.Value),
		Valid: v.Valid,
	}
}

// ValidFloat32 → pgtype.Float4
func (v ValidFloat32) ToPG() pgtype.Float4 {
	return pgtype.Float4{
		Float32: v.Value,
		Valid:   v.Valid,
	}
}

// ValidString → pgtype.Text
func (v ValidString) ToPG() pgtype.Text {
	return pgtype.Text{
		String: v.Value,
		Valid:  v.Valid,
	}
}

// ValidTime → pgtype.Timestamp
func (v ValidTime) ToPG() pgtype.Timestamp {
	return pgtype.Timestamp{
		Time:  v.Value,
		Valid: v.Valid,
	}
}

// ValidBool → pgtype.Bool
func (v ValidBool) ToPG() pgtype.Bool {
	return pgtype.Bool{
		Bool:  v.Value,
		Valid: v.Valid,
	}
}

type Currency int64

// ToCurrency converts a float32 to Currency
func ToCurrency(f float32) Currency {
	return Currency((f * 100) + 0.5)
}

// Float32 converts a Currency to float32
func (m Currency) Float32() float32 {
	x := float32(m)
	x = x / 100
	return x
}

// String returns a formatted Currency value
func (m Currency) String() string {
	x := float32(m)
	x = x / 100
	return fmt.Sprintf("$%.2f", x)
}

type ResponseWDataFactory[T any] struct {
	Data T `json:"data"`
	Response
}

type Response struct {
	Message    string      `json:"message"`
	Data       interface{} `json:"data,omitempty"`
	Success    bool        `json:"success"`
	StatusCode int         `json:"status_code"`
}

func CalculateWinnings(amount Currency, totalOdds float32) Currency {

	vat := amount.Float32() * 0.15
	stakeAfterVat := amount.Float32() - vat
	possibleWin := stakeAfterVat * totalOdds
	incomeTax := possibleWin * 0.15

	return ToCurrency(possibleWin - incomeTax)

}

type Pagination struct {
	Total       int `json:"total"`
	TotalPages  int `json:"total_pages"`
	CurrentPage int `json:"current_page"`
	Limit       int `json:"limit"`
}

func PtrFloat64(v float64) *float64 { return &v }
func PtrInt64(v int64) *int64       { return &v }

type Int64JSON int64

// func (i *Int64JSON) Parse() (int64, error) {
// 	var asString string
// 	if err := json.Unmarshal(i, &asString); err == nil {
// 		// Try to parse the string to int64
// 		return strconv.ParseInt(strings.TrimSpace(asString), 10, 64)
// 	}

// 	var asInt int64
// 	if err := json.Unmarshal(i, &asInt); err == nil {
// 		return asInt, nil
// 	}

// 	// Neither string nor int worked
// 	return 0, fmt.Errorf("invalid int64 value: %s", string(i))
// }

func (i *Int64JSON) UnmarshalJSON(data []byte) error {
	var s string
	if err := json.Unmarshal(data, &s); err == nil {
		// it was a string, parse it
		v, err := strconv.ParseInt(s, 10, 64)
		if err != nil {
			return err
		}
		*i = Int64JSON(v)
		return nil
	}

	var v int64
	if err := json.Unmarshal(data, &v); err == nil {
		*i = Int64JSON(v)
		return nil
	}

	return fmt.Errorf("invalid int64 value: %s", string(data))
}

type NullableInt64JSON struct {
	Int64 int64
	Valid bool
}

func (n *NullableInt64JSON) UnmarshalJSON(data []byte) error {
	var s string
	if err := json.Unmarshal(data, &s); err == nil {
		if s == "" {
			n.Valid = false
			return nil
		}
		v, err := strconv.ParseInt(s, 10, 64)
		if err != nil {
			return err
		}
		n.Int64, n.Valid = v, true
		return nil
	}

	var v int64
	if err := json.Unmarshal(data, &v); err == nil {
		n.Int64, n.Valid = v, true
		return nil
	}

	return fmt.Errorf("invalid int64 value: %s", string(data))
}