package user

import (
	"context"
	"fmt"
	"strings"
	"testing"
	"time"

	"github.com/DATA-DOG/go-sqlmock"
	logmodel "github.com/perfect-panel/server/internal/model/log"
	usermodel "github.com/perfect-panel/server/internal/model/user"
	"github.com/perfect-panel/server/internal/svc"
	"github.com/perfect-panel/server/internal/types"
	"github.com/perfect-panel/server/pkg/constant"
	"github.com/perfect-panel/server/pkg/logger"
	"github.com/perfect-panel/server/pkg/xerr"
	"github.com/pkg/errors"
	"gorm.io/driver/mysql"
	"gorm.io/gorm"
)

func TestQueryWithdrawalLog_WithWithdrawalBizType(t *testing.T) {
	const userID = int64(42)
	createdAt := time.Unix(1700000000, 0)
	updatedAt := createdAt.Add(time.Minute)

	db, mock, cleanup := newQueryWithdrawalLogTestDB(t)
	defer cleanup()

	mock.ExpectQuery("SELECT count(*) FROM `withdrawals` WHERE user_id = ?").
		WithArgs(userID).
		WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(1))
	mock.ExpectQuery("SELECT * FROM `withdrawals` WHERE user_id = ? ORDER BY id DESC LIMIT ?").
		WithArgs(userID, 10).
		WillReturnRows(sqlmock.NewRows([]string{
			"id", "user_id", "amount", "content", "status", "reason", "method", "account", "qr_code_url", "created_at", "updated_at",
		}).AddRow(
			int64(1001), userID, int64(3000), "bank withdrawal", usermodel.WithdrawalStatusPending, "", uint8(3), "acct-001", "", createdAt, updatedAt,
		))

	logic := newTestQueryWithdrawalLogLogic(t, db, userID)
	resp, err := logic.QueryWithdrawalLog(&types.QueryWithdrawalLogListRequest{
		BizType: withdrawalLogBizTypeWithdrawal,
		Page:    1,
		Size:    10,
	})
	if err != nil {
		t.Fatalf("QueryWithdrawalLog unexpected error: %v", err)
	}
	if resp.Total != 1 || len(resp.List) != 1 {
		t.Fatalf("QueryWithdrawalLog response = %+v, want one withdrawal", resp)
	}
	got := resp.List[0]
	if got.BizType != withdrawalLogBizTypeWithdrawal {
		t.Fatalf("BizType = %q, want %q", got.BizType, withdrawalLogBizTypeWithdrawal)
	}
	if got.Id != 1001 || got.UserId != userID || got.Amount != 3000 || got.CreatedAt != createdAt.UnixMilli() || got.UpdatedAt != updatedAt.UnixMilli() {
		t.Fatalf("withdrawal item = %+v", got)
	}
	if err := mock.ExpectationsWereMet(); err != nil {
		t.Fatalf("unmet sql expectations: %v", err)
	}
}

func TestQueryWithdrawalLog_WithCommissionRefundBizType(t *testing.T) {
	const userID = int64(42)
	content := `{"type":333,"amount":2500,"order_no":"ORDER-1","timestamp":1700000000123}`
	createdAt := time.Unix(1700000000, 0)

	db, mock, cleanup := newQueryWithdrawalLogTestDB(t)
	defer cleanup()

	mock.ExpectQuery("SELECT count(*) FROM `system_logs` WHERE `type` = ? AND object_id = ? AND `content` LIKE ?").
		WithArgs(logmodel.TypeCommission.Uint8(), userID, "%\"type\":333%").
		WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(1))
	mock.ExpectQuery("SELECT * FROM `system_logs` WHERE `type` = ? AND object_id = ? AND `content` LIKE ? ORDER BY id DESC LIMIT ?").
		WithArgs(logmodel.TypeCommission.Uint8(), userID, "%\"type\":333%", 10).
		WillReturnRows(sqlmock.NewRows([]string{"id", "type", "date", "object_id", "content", "created_at"}).
			AddRow(int64(2001), logmodel.TypeCommission.Uint8(), "2023-11-14", userID, content, createdAt))

	logic := newTestQueryWithdrawalLogLogic(t, db, userID)
	resp, err := logic.QueryWithdrawalLog(&types.QueryWithdrawalLogListRequest{
		BizType: withdrawalLogBizTypeCommissionRefund,
		Page:    1,
		Size:    10,
	})
	if err != nil {
		t.Fatalf("QueryWithdrawalLog unexpected error: %v", err)
	}
	if resp.Total != 1 || len(resp.List) != 1 {
		t.Fatalf("QueryWithdrawalLog response = %+v, want one commission refund", resp)
	}
	got := resp.List[0]
	if got.BizType != withdrawalLogBizTypeCommissionRefund {
		t.Fatalf("BizType = %q, want %q", got.BizType, withdrawalLogBizTypeCommissionRefund)
	}
	if got.Id != 2001 || got.UserId != userID || got.Amount != 2500 || got.Content != content || got.CreatedAt != 1700000000123 || got.UpdatedAt != 1700000000123 {
		t.Fatalf("commission refund item = %+v", got)
	}
	if got.Status != 0 || got.Method != 0 || got.Account != "" || got.QrCodeUrl != "" {
		t.Fatalf("commission refund withdrawal-only fields = %+v, want zero values", got)
	}
	if err := mock.ExpectationsWereMet(); err != nil {
		t.Fatalf("unmet sql expectations: %v", err)
	}
}

func TestQueryWithdrawalLog_RejectsInvalidBizType(t *testing.T) {
	db, mock, cleanup := newQueryWithdrawalLogTestDB(t)
	defer cleanup()

	logic := newTestQueryWithdrawalLogLogic(t, db, 42)
	_, err := logic.QueryWithdrawalLog(&types.QueryWithdrawalLogListRequest{
		BizType: "all",
		Page:    1,
		Size:    10,
	})
	if !isQueryWithdrawalLogErrCode(err, xerr.InvalidParams) {
		t.Fatalf("QueryWithdrawalLog err = %v, want InvalidParams", err)
	}
	if err := mock.ExpectationsWereMet(); err != nil {
		t.Fatalf("unmet sql expectations: %v", err)
	}
}

func newQueryWithdrawalLogTestDB(t *testing.T) (*gorm.DB, sqlmock.Sqlmock, func()) {
	t.Helper()

	sqlDB, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherFunc(func(expectedSQL, actualSQL string) error {
		if strings.Contains(actualSQL, expectedSQL) {
			return nil
		}
		return fmt.Errorf("actual sql %q does not contain %q", actualSQL, expectedSQL)
	})))
	if err != nil {
		t.Fatalf("create sqlmock: %v", err)
	}

	db, err := gorm.Open(mysql.New(mysql.Config{Conn: sqlDB, SkipInitializeWithVersion: true}), &gorm.Config{})
	if err != nil {
		_ = sqlDB.Close()
		t.Fatalf("open gorm db: %v", err)
	}

	return db, mock, func() {
		_ = sqlDB.Close()
	}
}

func newTestQueryWithdrawalLogLogic(t *testing.T, db *gorm.DB, userID int64) *QueryWithdrawalLogLogic {
	t.Helper()
	ctx := context.WithValue(context.Background(), constant.CtxKeyUser, &usermodel.User{Id: userID})
	return &QueryWithdrawalLogLogic{
		Logger: logger.WithContext(ctx),
		ctx:    ctx,
		svcCtx: &svc.ServiceContext{
			DB: db,
		},
	}
}

func queryWithdrawalLogErrCodeOf(err error) uint32 {
	if err == nil {
		return 0
	}
	type coder interface {
		GetErrCode() uint32
	}
	cause := errors.Cause(err)
	if c, ok := cause.(coder); ok {
		return c.GetErrCode()
	}
	return 0
}

func isQueryWithdrawalLogErrCode(err error, code uint32) bool {
	return queryWithdrawalLogErrCodeOf(err) == code
}