package csmanualentry

import (
	"errors"
	"strings"
	"testing"
)

func TestNormalizeEntryNo(t *testing.T) {
	tests := []struct {
		name    string
		input   string
		want    string
		wantErr error
	}{
		{name: "trim", input: " 202610120013 ", want: "202610120013"},
		{name: "plain", input: "202610120013", want: "202610120013"},
		{name: "empty", input: "   ", wantErr: ErrEntryNoInvalid},
		{name: "inner space", input: "2026 1001", wantErr: ErrEntryNoInvalid},
		{name: "too long", input: strings.Repeat("1", 65), wantErr: ErrEntryNoInvalid},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := normalizeEntryNo(tt.input)
			if !errors.Is(err, tt.wantErr) {
				t.Fatalf("normalizeEntryNo(%q) error = %v, want %v", tt.input, err, tt.wantErr)
			}
			if tt.wantErr == nil && got != tt.want {
				t.Fatalf("normalizeEntryNo(%q) = %q, want %q", tt.input, got, tt.want)
			}
		})
	}
}

func TestIsDuplicateEntry(t *testing.T) {
	if isDuplicateEntry(nil) {
		t.Fatal("nil should not be duplicate")
	}
	if !isDuplicateEntry(errors.New("Error 1062 (23000): Duplicate entry")) {
		t.Fatal("1062 error should be duplicate")
	}
	if isDuplicateEntry(errors.New("some other error")) {
		t.Fatal("unrelated error should not be duplicate")
	}
}