package dashboard

import (
	"context"
	"database/sql"
	"testing"
	"time"

	"github.com/go-mysql-org/go-mysql/mysql"
	"github.com/shopspring/decimal"
)

type walletMapperTestStore struct {
	users map[int64]UserCountry
}

func (s walletMapperTestStore) WithTx(context.Context, func(*sql.Tx) error) error { return nil }
func (s walletMapperTestStore) WithDashboardLock(context.Context, time.Duration, func() error) error {
	return nil
}
func (s walletMapperTestStore) MarkEventApplied(context.Context, *sql.Tx, string, string) (bool, error) {
	return true, nil
}
func (s walletMapperTestStore) SaveCheckpoint(context.Context, mysql.Position) error { return nil }
func (s walletMapperTestStore) LoadCheckpoint(context.Context) (mysql.Position, bool, error) {
	return mysql.Position{}, false, nil
}
func (s walletMapperTestStore) Cleanup(context.Context) (int64, error) { return 0, nil }
func (s walletMapperTestStore) UpsertUserCountry(context.Context, *sql.Tx, UserCountry) error {
	return nil
}
func (s walletMapperTestStore) UserCountry(_ context.Context, userID int64) (UserCountry, bool, error) {
	user, ok := s.users[userID]
	return user, ok, nil
}
func (s walletMapperTestStore) ResolveWalletGame(context.Context, string, string, string) (string, string, string, error) {
	return "TEST", "1", "Test", nil
}
func (s walletMapperTestStore) ApplyDailyContribution(context.Context, *sql.Tx, Contribution, string) error {
	return nil
}
func (s walletMapperTestStore) ApplyPeriodContribution(context.Context, *sql.Tx, Contribution, string) error {
	return nil
}
func (s walletMapperTestStore) ApplyGamePeriodContribution(context.Context, *sql.Tx, Contribution, string) error {
	return nil
}
func (s walletMapperTestStore) ApplyContributionBatch(context.Context, *sql.Tx, []Contribution, string, []string) error {
	return nil
}

func TestWalletLuckyGiftIsNotMappedAsGiftConsume(t *testing.T) {
	mapper := NewMapper(walletMapperTestStore{users: map[int64]UserCountry{
		1001: {UserID: 1001, SysOrigin: "LIKEI", Country: Country{Code: "BD", Name: "Bangladesh"}},
	}}, []string{"LIKEI"}, "UNKNOWN", 0)

	row := Row{
		"id":           int64(11),
		"user_id":      int64(1001),
		"sys_origin":   "LIKEI",
		"event_type":   "LUCKY_GIFT",
		"type":         int64(1),
		"penny_amount": decimal.NewFromInt(10000),
		"create_time":  time.Now().UnixMilli(),
	}

	contributions, err := mapper.Map(context.Background(), "likei_wallet", "wallet_gold_asset_record_1", "insert", row)
	if err != nil {
		t.Fatal(err)
	}
	if len(contributions) != 0 {
		t.Fatalf("expected wallet LUCKY_GIFT to be ignored, got %#v", contributions)
	}
}

func TestWalletGiveGiftIsNotMappedAsGiftConsume(t *testing.T) {
	mapper := NewMapper(walletMapperTestStore{users: map[int64]UserCountry{
		1001: {UserID: 1001, SysOrigin: "LIKEI", Country: Country{Code: "BD", Name: "Bangladesh"}},
	}}, []string{"LIKEI"}, "UNKNOWN", 0)

	row := Row{
		"id":           int64(12),
		"user_id":      int64(1001),
		"sys_origin":   "LIKEI",
		"event_type":   "GIVE_GIFT_V3",
		"type":         int64(1),
		"penny_amount": decimal.NewFromInt(10000),
		"create_time":  time.Now().UnixMilli(),
	}

	contributions, err := mapper.Map(context.Background(), "likei_wallet", "wallet_gold_asset_record_1", "insert", row)
	if err != nil {
		t.Fatal(err)
	}
	if len(contributions) != 0 {
		t.Fatalf("expected wallet GIVE_GIFT to be ignored, got %#v", contributions)
	}
}

func TestUserCreateTimeDisplayOffsetIsApplied(t *testing.T) {
	mapper := NewMapper(walletMapperTestStore{}, []string{"LIKEI"}, "UNKNOWN", 8*time.Hour)
	createdAt := time.Date(2026, 5, 26, 16, 2, 51, 0, time.UTC)

	contributions, err := mapper.Map(context.Background(), "likei", "user_base_info", "insert", Row{
		"id":           int64(2059304265087774722),
		"origin_sys":   "LIKEI",
		"is_del":       int64(0),
		"country_code": "PH",
		"country_name": "Philippines",
		"create_time":  createdAt,
	})
	if err != nil {
		t.Fatal(err)
	}
	if len(contributions) != 1 {
		t.Fatalf("expected one user contribution, got %d", len(contributions))
	}
	expected := createdAt.Add(8 * time.Hour)
	if !contributions[0].EventTime.Equal(expected) {
		t.Fatalf("expected event time %s, got %s", expected, contributions[0].EventTime)
	}
	if contributions[0].CountryNewUser != 1 {
		t.Fatalf("expected country new user contribution, got %d", contributions[0].CountryNewUser)
	}
}