// Copyright 2024 Woodpecker Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package forgejo

import (
	"bytes"
	"net/http"
	"testing"

	"github.com/stretchr/testify/assert"

	"go.woodpecker-ci.org/woodpecker/v2/server/forge/forgejo/fixtures"
	"go.woodpecker-ci.org/woodpecker/v2/server/forge/types"
	"go.woodpecker-ci.org/woodpecker/v2/server/model"
)

func TestForgejoParser(t *testing.T) {
	tests := []struct {
		name  string
		data  string
		event string
		err   error
		repo  *model.Repo
		pipe  *model.Pipeline
	}{
		{
			name:  "should ignore unsupported hook events",
			data:  fixtures.HookPullRequest,
			event: "issues",
			err:   &types.ErrIgnoreEvent{},
		},
		{
			name:  "push event should handle a push hook",
			data:  fixtures.HookPushBranch,
			event: "push",
			repo: &model.Repo{
				ForgeRemoteID: "50820",
				Owner:         "meisam",
				Name:          "woodpecktester",
				FullName:      "meisam/woodpecktester",
				Avatar:        "https://codeberg.org/avatars/96512da76a14cf44e0bb32d1640e878e",
				ForgeURL:      "https://codeberg.org/meisam/woodpecktester",
				Clone:         "https://codeberg.org/meisam/woodpecktester.git",
				CloneSSH:      "git@codeberg.org:meisam/woodpecktester.git",
				Branch:        "main",
				SCMKind:       "git",
				PREnabled:     true,
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:       "6543",
				Event:        "push",
				Commit:       "28c3613ae62640216bea5e7dc71aa65356e4298b",
				Branch:       "fdsafdsa",
				Ref:          "refs/heads/fdsafdsa",
				Message:      "Delete '.woodpecker/.check.yml'\n",
				Sender:       "6543",
				Avatar:       "https://codeberg.org/avatars/09a234c768cb9bca78f6b2f82d6af173",
				Email:        "6543@obermui.de",
				ForgeURL:     "https://codeberg.org/meisam/woodpecktester/commit/28c3613ae62640216bea5e7dc71aa65356e4298b",
				ChangedFiles: []string{".woodpecker/.check.yml"},
			},
		},
		{
			name:  "push event should extract repository and pipeline details",
			data:  fixtures.HookPush,
			event: "push",
			repo: &model.Repo{
				ForgeRemoteID: "1",
				Owner:         "gordon",
				Name:          "hello-world",
				FullName:      "gordon/hello-world",
				Avatar:        "http://forgejo.golang.org/gordon/hello-world",
				ForgeURL:      "http://forgejo.golang.org/gordon/hello-world",
				Clone:         "http://forgejo.golang.org/gordon/hello-world.git",
				CloneSSH:      "git@forgejo.golang.org:gordon/hello-world.git",
				SCMKind:       "git",
				IsSCMPrivate:  true,
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:       "gordon",
				Event:        "push",
				Commit:       "ef98532add3b2feb7a137426bba1248724367df5",
				Branch:       "main",
				Ref:          "refs/heads/main",
				Message:      "bump\n",
				Sender:       "gordon",
				Avatar:       "http://1.gravatar.com/avatar/8c58a0be77ee441bb8f8595b7f1b4e87",
				Email:        "gordon@golang.org",
				ForgeURL:     "http://forgejo.golang.org/gordon/hello-world/commit/ef98532add3b2feb7a137426bba1248724367df5",
				ChangedFiles: []string{"CHANGELOG.md", "app/controller/application.rb"},
			},
		},
		{
			name:  "push event should handle multi commit push",
			data:  fixtures.HookPushMulti,
			event: "push",
			repo: &model.Repo{
				ForgeRemoteID: "6",
				Owner:         "Test-CI",
				Name:          "multi-line-secrets",
				FullName:      "Test-CI/multi-line-secrets",
				Avatar:        "http://127.0.0.1:3000/avatars/5b0a83c2185b3cb1ebceb11062d6c2eb",
				ForgeURL:      "http://127.0.0.1:3000/Test-CI/multi-line-secrets",
				Clone:         "http://127.0.0.1:3000/Test-CI/multi-line-secrets.git",
				CloneSSH:      "ssh://git@127.0.0.1:2200/Test-CI/multi-line-secrets.git",
				Branch:        "main",
				SCMKind:       "git",
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:       "test-user",
				Event:        "push",
				Commit:       "29be01c073851cf0db0c6a466e396b725a670453",
				Branch:       "main",
				Ref:          "refs/heads/main",
				Message:      "add some text\n",
				Sender:       "test-user",
				Avatar:       "http://127.0.0.1:3000/avatars/dd46a756faad4727fb679320751f6dea",
				Email:        "test@noreply.localhost",
				ForgeURL:     "http://127.0.0.1:3000/Test-CI/multi-line-secrets/compare/6efcf5b7c98f3e7a491675164b7a2e7acac27941...29be01c073851cf0db0c6a466e396b725a670453",
				ChangedFiles: []string{"aaa", "aa"},
			},
		},
		{
			name:  "tag event should handle a tag hook",
			data:  fixtures.HookTag,
			event: "create",
			repo: &model.Repo{
				ForgeRemoteID: "12",
				Owner:         "gordon",
				Name:          "hello-world",
				FullName:      "gordon/hello-world",
				Avatar:        "https://secure.gravatar.com/avatar/8c58a0be77ee441bb8f8595b7f1b4e87",
				ForgeURL:      "http://forgejo.golang.org/gordon/hello-world",
				Clone:         "http://forgejo.golang.org/gordon/hello-world.git",
				CloneSSH:      "git@forgejo.golang.org:gordon/hello-world.git",
				Branch:        "main",
				SCMKind:       "git",
				IsSCMPrivate:  true,
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:   "gordon",
				Event:    "tag",
				Commit:   "ef98532add3b2feb7a137426bba1248724367df5",
				Ref:      "refs/tags/v1.0.0",
				Message:  "created tag v1.0.0",
				Sender:   "gordon",
				Avatar:   "https://secure.gravatar.com/avatar/8c58a0be77ee441bb8f8595b7f1b4e87",
				Email:    "gordon@golang.org",
				ForgeURL: "http://forgejo.golang.org/gordon/hello-world/src/tag/v1.0.0",
			},
		},
		{
			name:  "pull-request events should handle a PR hook when PR got created",
			data:  fixtures.HookPullRequest,
			event: "pull_request",
			repo: &model.Repo{
				ForgeRemoteID: "35129377",
				Owner:         "gordon",
				Name:          "hello-world",
				FullName:      "gordon/hello-world",
				Avatar:        "https://secure.gravatar.com/avatar/8c58a0be77ee441bb8f8595b7f1b4e87",
				ForgeURL:      "http://forgejo.golang.org/gordon/hello-world",
				Clone:         "https://forgejo.golang.org/gordon/hello-world.git",
				CloneSSH:      "",
				Branch:        "main",
				SCMKind:       "git",
				IsSCMPrivate:  true,
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:            "gordon",
				Event:             "pull_request",
				Commit:            "0d1a26e67d8f5eaf1f6ba5c57fc3c7d91ac0fd1c",
				Branch:            "main",
				Ref:               "refs/pull/1/head",
				Refspec:           "feature/changes:main",
				Title:             "Update the README with new information",
				Message:           "Update the README with new information",
				Sender:            "gordon",
				Avatar:            "http://1.gravatar.com/avatar/8c58a0be77ee441bb8f8595b7f1b4e87",
				Email:             "gordon@golang.org",
				ForgeURL:          "http://forgejo.golang.org/gordon/hello-world/pull/1",
				PullRequestLabels: []string{},
			},
		},
		{
			name:  "pull-request events should handle a PR hook when PR got updated",
			data:  fixtures.HookPullRequestUpdated,
			event: "pull_request",
			repo: &model.Repo{
				ForgeRemoteID: "6",
				Owner:         "Test-CI",
				Name:          "multi-line-secrets",
				FullName:      "Test-CI/multi-line-secrets",
				Avatar:        "http://127.0.0.1:3000/avatars/5b0a83c2185b3cb1ebceb11062d6c2eb",
				ForgeURL:      "http://127.0.0.1:3000/Test-CI/multi-line-secrets",
				Clone:         "http://127.0.0.1:3000/Test-CI/multi-line-secrets.git",
				CloneSSH:      "ssh://git@127.0.0.1:2200/Test-CI/multi-line-secrets.git",
				Branch:        "main",
				SCMKind:       "git",
				PREnabled:     true,
				IsSCMPrivate:  false,
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:   "test",
				Event:    "pull_request",
				Commit:   "788ed8d02d3b7fcfcf6386dbcbca696aa1d4dc25",
				Branch:   "main",
				Ref:      "refs/pull/2/head",
				Refspec:  "test-patch-1:main",
				Title:    "New Pull",
				Message:  "New Pull",
				Sender:   "test",
				Avatar:   "http://127.0.0.1:3000/avatars/dd46a756faad4727fb679320751f6dea",
				Email:    "test@noreply.localhost",
				ForgeURL: "http://127.0.0.1:3000/Test-CI/multi-line-secrets/pulls/2",
				PullRequestLabels: []string{
					"Kind/Bug",
					"Kind/Security",
				},
			},
		},
		{
			name:  "pull-request events should handle a PR closed hook when PR got closed",
			data:  fixtures.HookPullRequestClosed,
			event: "pull_request",
			repo: &model.Repo{
				ForgeRemoteID: "46534",
				Owner:         "anbraten",
				Name:          "test-repo",
				FullName:      "anbraten/test-repo",
				Avatar:        "https://seccdn.libravatar.org/avatar/fc9b6fe77c6b732a02925a62a81f05a0?d=identicon",
				ForgeURL:      "https://forgejo.com/anbraten/test-repo",
				Clone:         "https://forgejo.com/anbraten/test-repo.git",
				CloneSSH:      "git@forgejo.com:anbraten/test-repo.git",
				Branch:        "main",
				SCMKind:       "git",
				PREnabled:     true,
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:            "anbraten",
				Event:             "pull_request_closed",
				Commit:            "d555a5dd07f4d0148a58d4686ec381502ae6a2d4",
				Branch:            "main",
				Ref:               "refs/pull/1/head",
				Refspec:           "anbraten-patch-1:main",
				Title:             "Adjust file",
				Message:           "Adjust file",
				Sender:            "anbraten",
				Avatar:            "https://seccdn.libravatar.org/avatar/fc9b6fe77c6b732a02925a62a81f05a0?d=identicon",
				Email:             "anbraten@sender.forgejo.com",
				ForgeURL:          "https://forgejo.com/anbraten/test-repo/pulls/1",
				PullRequestLabels: []string{},
			},
		},
		{
			name:  "pull-request events should handle a PR closed hook when PR was merged",
			data:  fixtures.HookPullRequestMerged,
			event: "pull_request",
			repo: &model.Repo{
				ForgeRemoteID: "46534",
				Owner:         "anbraten",
				Name:          "test-repo",
				FullName:      "anbraten/test-repo",
				Avatar:        "https://seccdn.libravatar.org/avatar/fc9b6fe77c6b732a02925a62a81f05a0?d=identicon",
				ForgeURL:      "https://forgejo.com/anbraten/test-repo",
				Clone:         "https://forgejo.com/anbraten/test-repo.git",
				CloneSSH:      "git@forgejo.com:anbraten/test-repo.git",
				Branch:        "main",
				SCMKind:       "git",
				PREnabled:     true,
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:            "anbraten",
				Event:             "pull_request_closed",
				Commit:            "d555a5dd07f4d0148a58d4686ec381502ae6a2d4",
				Branch:            "main",
				Ref:               "refs/pull/1/head",
				Refspec:           "anbraten-patch-1:main",
				Title:             "Adjust file",
				Message:           "Adjust file",
				Sender:            "anbraten",
				Avatar:            "https://seccdn.libravatar.org/avatar/fc9b6fe77c6b732a02925a62a81f05a0?d=identicon",
				Email:             "anbraten@noreply.forgejo.com",
				ForgeURL:          "https://forgejo.com/anbraten/test-repo/pulls/1",
				PullRequestLabels: []string{},
			},
		},
		{
			name:  "release events should handle release hook",
			data:  fixtures.HookRelease,
			event: "release",
			repo: &model.Repo{
				ForgeRemoteID: "77",
				Owner:         "anbraten",
				Name:          "demo",
				FullName:      "anbraten/demo",
				Avatar:        "https://git.xxx/user/avatar/anbraten/-1",
				ForgeURL:      "https://git.xxx/anbraten/demo",
				Clone:         "https://git.xxx/anbraten/demo.git",
				CloneSSH:      "ssh://git@git.xxx:22/anbraten/demo.git",
				Branch:        "main",
				SCMKind:       "git",
				PREnabled:     true,
				IsSCMPrivate:  true,
				Perm: &model.Perm{
					Pull:  true,
					Push:  true,
					Admin: true,
				},
			},
			pipe: &model.Pipeline{
				Author:   "anbraten",
				Event:    "release",
				Branch:   "main",
				Ref:      "refs/tags/0.0.5",
				Message:  "created release Version 0.0.5",
				Sender:   "anbraten",
				Avatar:   "https://git.xxx/user/avatar/anbraten/-1",
				Email:    "anbraten@noreply.xxx",
				ForgeURL: "https://git.xxx/anbraten/demo/releases/tag/0.0.5",
			},
		},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			req, _ := http.NewRequest(http.MethodPost, "/api/hook", bytes.NewBufferString(tc.data))
			req.Header = http.Header{}
			req.Header.Set(hookEvent, tc.event)
			r, p, err := parseHook(req)
			if tc.err != nil {
				assert.ErrorIs(t, err, tc.err)
			} else if assert.NoError(t, err) {
				assert.EqualValues(t, tc.repo, r)
				p.Timestamp = 0
				assert.EqualValues(t, tc.pipe, p)
			}
		})
	}
}