package timeparse

import "testing"

func TestParseTimestamp(t *testing.T) {
	tests := []struct {
		name    string
		input   string
		wantErr bool
	}{
		{name: "rfc3339", input: "2026-03-17T12:30:00Z", wantErr: false},
		{name: "rfc3339nano", input: "2026-03-17T12:30:00.123456789Z", wantErr: false},
		{name: "missing timezone", input: "2026-03-17T12:30:00", wantErr: true},
		{name: "invalid", input: "not-a-time", wantErr: true},
		{name: "empty", input: "", wantErr: true},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			_, err := ParseTimestamp(tc.input)
			if tc.wantErr && err == nil {
				t.Fatalf("expected error")
			}
			if !tc.wantErr && err != nil {
				t.Fatalf("unexpected error: %v", err)
			}
		})
	}
}