// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package git

import (
	"context"
	"fmt"
	"os"
	"strings"
	"testing"

	"code.gitea.io/gitea/modules/log"
	"code.gitea.io/gitea/modules/setting"
	"code.gitea.io/gitea/modules/util"

	"github.com/stretchr/testify/assert"
)

func testRun(m *testing.M) error {
	_ = log.NewLogger(1000, "console", "console", `{"level":"trace","stacktracelevel":"NONE","stderr":true}`)

	gitHomePath, err := os.MkdirTemp(os.TempDir(), "git-home")
	if err != nil {
		return fmt.Errorf("unable to create temp dir: %w", err)
	}
	defer util.RemoveAll(gitHomePath)
	setting.Git.HomePath = gitHomePath

	if err = InitFull(context.Background()); err != nil {
		return fmt.Errorf("failed to call Init: %w", err)
	}

	exitCode := m.Run()
	if exitCode != 0 {
		return fmt.Errorf("run test failed, ExitCode=%d", exitCode)
	}
	return nil
}

func TestMain(m *testing.M) {
	if err := testRun(m); err != nil {
		_, _ = fmt.Fprintf(os.Stderr, "Test failed: %v", err)
		os.Exit(1)
	}
}

func TestGitConfig(t *testing.T) {
	gitConfigContains := func(sub string) bool {
		if b, err := os.ReadFile(HomeDir() + "/.gitconfig"); err == nil {
			return strings.Contains(string(b), sub)
		}
		return false
	}

	assert.False(t, gitConfigContains("key-a"))

	assert.NoError(t, configSetNonExist("test.key-a", "val-a"))
	assert.True(t, gitConfigContains("key-a = val-a"))

	assert.NoError(t, configSetNonExist("test.key-a", "val-a-changed"))
	assert.False(t, gitConfigContains("key-a = val-a-changed"))

	assert.NoError(t, configSet("test.key-a", "val-a-changed"))
	assert.True(t, gitConfigContains("key-a = val-a-changed"))

	assert.NoError(t, configAddNonExist("test.key-b", "val-b"))
	assert.True(t, gitConfigContains("key-b = val-b"))

	assert.NoError(t, configAddNonExist("test.key-b", "val-2b"))
	assert.True(t, gitConfigContains("key-b = val-b"))
	assert.True(t, gitConfigContains("key-b = val-2b"))

	assert.NoError(t, configUnsetAll("test.key-b", "val-b"))
	assert.False(t, gitConfigContains("key-b = val-b"))
	assert.True(t, gitConfigContains("key-b = val-2b"))

	assert.NoError(t, configUnsetAll("test.key-b", "val-2b"))
	assert.False(t, gitConfigContains("key-b = val-2b"))

	assert.NoError(t, configSet("test.key-x", "*"))
	assert.True(t, gitConfigContains("key-x = *"))
	assert.NoError(t, configSetNonExist("test.key-x", "*"))
	assert.NoError(t, configUnsetAll("test.key-x", "*"))
	assert.False(t, gitConfigContains("key-x = *"))
}
