// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package integration

import (
	"context"
	"fmt"
	"net/http"
	"net/url"
	"os"
	"path/filepath"
	"testing"

	auth_model "code.gitea.io/gitea/models/auth"
	"code.gitea.io/gitea/models/db"
	issues_model "code.gitea.io/gitea/models/issues"
	repo_model "code.gitea.io/gitea/models/repo"
	"code.gitea.io/gitea/models/unittest"
	user_model "code.gitea.io/gitea/models/user"
	"code.gitea.io/gitea/modules/setting"
	"code.gitea.io/gitea/modules/structs"
	"code.gitea.io/gitea/services/migrations"
	"code.gitea.io/gitea/services/repository"

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

func TestMigrateLocalPath(t *testing.T) {
	require.NoError(t, unittest.PrepareTestDatabase())

	adminUser := unittest.AssertExistsAndLoadBean(t, &user_model.User{Name: "user1"})

	old := setting.ImportLocalPaths
	setting.ImportLocalPaths = true

	basePath := t.TempDir()

	lowercasePath := filepath.Join(basePath, "lowercase")
	err := os.Mkdir(lowercasePath, 0o700)
	require.NoError(t, err)

	err = migrations.IsMigrateURLAllowed(lowercasePath, adminUser)
	require.NoError(t, err, "case lowercase path")

	mixedcasePath := filepath.Join(basePath, "mIxeDCaSe")
	err = os.Mkdir(mixedcasePath, 0o700)
	require.NoError(t, err)

	err = migrations.IsMigrateURLAllowed(mixedcasePath, adminUser)
	require.NoError(t, err, "case mixedcase path")

	setting.ImportLocalPaths = old
}

func TestMigrate(t *testing.T) {
	onGiteaRun(t, func(t *testing.T, u *url.URL) {
		AllowLocalNetworks := setting.Migrations.AllowLocalNetworks
		setting.Migrations.AllowLocalNetworks = true
		AppVer := setting.AppVer
		// Gitea SDK (go-sdk) need to parse the AppVer from server response, so we must set it to a valid version string.
		setting.AppVer = "1.16.0"
		defer func() {
			setting.Migrations.AllowLocalNetworks = AllowLocalNetworks
			setting.AppVer = AppVer
			migrations.Init()
		}()
		require.NoError(t, migrations.Init())

		ownerName := "user2"
		repoName := "repo1"
		repoOwner := unittest.AssertExistsAndLoadBean(t, &user_model.User{Name: ownerName})
		session := loginUser(t, ownerName)
		token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteRepository, auth_model.AccessTokenScopeReadMisc)

		for _, s := range []struct {
			svc structs.GitServiceType
		}{
			{svc: structs.GiteaService},
			{svc: structs.ForgejoService},
		} {
			// Step 0: verify the repo is available
			req := NewRequestf(t, "GET", fmt.Sprintf("/%s/%s", ownerName, repoName))
			_ = session.MakeRequest(t, req, http.StatusOK)
			// Step 1: get the Gitea migration form
			req = NewRequestf(t, "GET", "/repo/migrate/?service_type=%d", s.svc)
			resp := session.MakeRequest(t, req, http.StatusOK)
			// Step 2: load the form
			htmlDoc := NewHTMLParser(t, resp.Body)
			link, exists := htmlDoc.doc.Find(`form.ui.form[action^="/repo/migrate"]`).Attr("action")
			assert.True(t, exists, "The template has changed")
			// Step 4: submit the migration to only migrate issues
			migratedRepoName := "otherrepo"
			req = NewRequestWithValues(t, "POST", link, map[string]string{
				"_csrf":       htmlDoc.GetCSRF(),
				"service":     fmt.Sprintf("%d", s.svc),
				"clone_addr":  fmt.Sprintf("%s%s/%s", u, ownerName, repoName),
				"auth_token":  token,
				"issues":      "on",
				"repo_name":   migratedRepoName,
				"description": "",
				"uid":         fmt.Sprintf("%d", repoOwner.ID),
			})
			resp = session.MakeRequest(t, req, http.StatusSeeOther)
			// Step 5: a redirection displays the migrated repository
			loc := resp.Header().Get("Location")
			assert.EqualValues(t, fmt.Sprintf("/%s/%s", ownerName, migratedRepoName), loc)
			// Step 6: check the repo was created
			repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{Name: migratedRepoName})

			// Step 7: delete the repository, so we can test with other services
			err := repository.DeleteRepository(context.Background(), repoOwner, repo, false)
			require.NoError(t, err)
		}
	})
}

func Test_UpdateCommentsMigrationsByType(t *testing.T) {
	require.NoError(t, unittest.PrepareTestDatabase())

	err := issues_model.UpdateCommentsMigrationsByType(db.DefaultContext, structs.GithubService, "1", 1)
	require.NoError(t, err)
}