// Mgmt
// Copyright (C) James Shubin and the project contributors
// Written by James Shubin <james@shubin.ca> and the project contributors
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
// Additional permission under GNU GPL version 3 section 7
//
// If you modify this program, or any covered work, by linking or combining it
// with embedded mcl code and modules (and that the embedded mcl code and
// modules which link with this program, contain a copy of their source code in
// the authoritative form) containing parts covered by the terms of any other
// license, the licensors of this program grant you additional permission to
// convey the resulting work. Furthermore, the licensors of this program grant
// the original author, James Shubin, additional permission to update this
// additional permission if he deems it necessary to achieve the goals of this
// additional permission.

//go:build !root

package corefmt

import (
	"strings"
	"testing"

	"github.com/purpleidea/mgmt/lang/types"
)

func TestParseFormatToTypeListQuote(t *testing.T) {
	typList, err := parseFormatToTypeList("%q")
	if err != nil {
		t.Fatal(err)
	}
	if len(typList) != 1 {
		t.Fatalf("got %d types, want 1", len(typList))
	}
	if err := typList[0].Cmp(types.TypeStr); err != nil {
		t.Errorf("got type %s, want %s", typList[0], types.TypeStr)
	}
}

func TestCompileFormatToStringQuote(t *testing.T) {
	tests := []struct {
		name   string
		format string
		values []types.Value
		want   string
	}{
		{
			name:   "string",
			format: "%q",
			values: []types.Value{&types.StrValue{V: "hello"}},
			want:   `"hello"`,
		},
		{
			name:   "empty string",
			format: "%q",
			values: []types.Value{&types.StrValue{V: ""}},
			want:   `""`,
		},
		{
			name:   "escaped string",
			format: "%q",
			values: []types.Value{&types.StrValue{V: "say \"hello\"\n"}},
			want:   `"say \"hello\"\n"`,
		},
		{
			name:   "mixed verbs",
			format: "%s: %q %%",
			values: []types.Value{
				&types.StrValue{V: "value"},
				&types.StrValue{V: "quoted"},
			},
			want: `value: "quoted" %`,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := compileFormatToString(tt.format, tt.values)
			if err != nil {
				t.Fatal(err)
			}
			if got != tt.want {
				t.Errorf("got %q, want %q", got, tt.want)
			}
		})
	}
}

func TestCompileFormatToStringQuoteRejectsNonString(t *testing.T) {
	_, err := compileFormatToString("%q", []types.Value{
		&types.IntValue{V: 42},
	})
	if err == nil {
		t.Fatal("expected an error")
	}
	if !strings.Contains(err.Error(), "unexpected type") {
		t.Errorf("got error %q, want an unexpected type error", err)
	}
}
