package tiles

import (
	"fmt"
	"log"
	"reflect"
	"testing"
)

func TestHuaPaiShortSplit(t *testing.T) {
	testCases := []struct {
		input  int
		output string
		err    error
	}{
		{0, "", fmt.Errorf("invalid hua pai index 0")},
		{1, "ME", nil},
		{2, "LA", nil},
		{3, "ZU", nil},
		{4, "JU", nil},
		{5, "CH", nil},
		{6, "XA", nil},
		{7, "QI", nil},
		{8, "DN", nil},
		{9, "", fmt.Errorf("invalid hua pai index 9")},
	}

	for _, tc := range testCases {
		t.Run(fmt.Sprintf("Test case %d", tc.input), func(t *testing.T) {
			result, err := huaPaiShortSplit(tc.input)
			if err != nil {
				if tc.err != nil {
					if err.Error() != tc.err.Error() {
						t.Errorf("Expected error: %v, got: %v", tc.err, err)
					}
					return
				}
				t.Errorf("not expect error, but got %v", err)
			} else if result != tc.output {
				t.Errorf("Expected result: %v, got: %v", tc.output, result)
			}
		})
	}
}
func TestShortToArray(t *testing.T) {
	type testcase struct {
		Name string
		Arg  string
		Want []string
	}
	testcases := []testcase{
		{Name: "自创格式", Arg: "12W56T456B1234567Z", Want: []string{"1W", "2W", "5T", "6T", "4B", "5B", "6B", "DO", "XI", "NA", "BE", "ZH", "FA", "BA"}},
		{Name: "日麻格式", Arg: "1134m4p24s123677z6m", Want: []string{"1W", "1W", "3W", "4W", "4B", "2T", "4T", "DO", "NA", "XI", "FA", "ZH", "ZH", "6W"}},
	}
	for _, tc := range testcases {
		t.Run(tc.Name, func(t *testing.T) {
			result, err := shortToArray(tc.Arg)
			if err != nil {
				log.Fatalf("Failed in translating tiles %s , error: %s", tc.Arg, err)
			}
			fmt.Println(result)
			if !reflect.DeepEqual(result, tc.Want) {
				log.Fatalf("Failed in translating tiles %s , expectd: %v, got %v", tc.Arg, tc.Want, result)
			}
		})
	}
}