package actions

import (
	"fmt"
	"testing"

	actions_model "forgejo.org/models/actions"
	repo_model "forgejo.org/models/repo"
	"forgejo.org/models/unittest"
	"forgejo.org/models/user"
	"forgejo.org/modules/actions"

	runnerv1 "code.forgejo.org/forgejo/actions-proto/runner/v1"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestGenerateTaskContext(t *testing.T) {
	workflowFormat := `
name: Pull Request
on: pull_request
enable-openid-connect: %s
jobs:
  wf1-job:
    runs-on: ubuntu-latest
    steps:
      - run: echo 'test the pull'
`
	testUser := &user.User{
		ID:   1,
		Name: "testuser",
	}

	testRepo := &repo_model.Repository{
		ID:        1,
		OwnerName: "testowner",
		Name:      "testrepo",
	}

	createTask := func(workflowPayload string, isFork bool, triggerEvent string) *actions_model.ActionTask {
		return &actions_model.ActionTask{
			ID: 47,
			Job: &actions_model.ActionRunJob{
				ID:    2,
				RunID: 1,
				Run: &actions_model.ActionRun{
					ID:                1,
					Index:             42,
					TriggerUser:       testUser,
					Repo:              testRepo,
					TriggerEvent:      triggerEvent,
					Ref:               "refs/heads/main",
					CommitSHA:         "abc123def456",
					WorkflowID:        "test-workflow.yaml",
					WorkflowDirectory: ".forgejo/workflows",
					EventPayload:      `{"repository": {"name": "testrepo"}}`,
					IsForkPullRequest: isFork,
				},
				WorkflowPayload: []byte(workflowPayload),
			},
		}
	}

	t.Run("openid connect enabled", func(t *testing.T) {
		task := createTask(fmt.Sprintf(workflowFormat, "true"), false, "push")

		taskContext, err := generateTaskContext(task, &repo_model.ActionsConfig{})
		require.NoError(t, err)
		require.NotEmpty(t, taskContext.Fields["forgejo_actions_id_token_request_token"].GetStringValue())
		require.NotEmpty(t, taskContext.Fields["forgejo_actions_id_token_request_url"].GetStringValue())
		require.NotEmpty(t, taskContext.Fields["gitea_runtime_token"].GetStringValue())
	})

	t.Run("openid connect enabled from fork with pull_request_target event", func(t *testing.T) {
		task := createTask(fmt.Sprintf(workflowFormat, "true"), true, "pull_request_target")

		taskContext, err := generateTaskContext(task, &repo_model.ActionsConfig{})
		require.NoError(t, err)
		require.NotEmpty(t, taskContext.Fields["forgejo_actions_id_token_request_token"].GetStringValue())
		require.NotEmpty(t, taskContext.Fields["forgejo_actions_id_token_request_url"].GetStringValue())
		require.NotEmpty(t, taskContext.Fields["gitea_runtime_token"].GetStringValue())
	})

	t.Run("openid connect enabled from fork with pull_request event", func(t *testing.T) {
		task := createTask(fmt.Sprintf(workflowFormat, "true"), true, "pull_request")

		taskContext, err := generateTaskContext(task, &repo_model.ActionsConfig{})
		require.NoError(t, err)
		require.Empty(t, taskContext.Fields["forgejo_actions_id_token_request_token"].GetStringValue())
		require.Empty(t, taskContext.Fields["forgejo_actions_id_token_request_url"].GetStringValue())
		require.NotEmpty(t, taskContext.Fields["gitea_runtime_token"].GetStringValue())
	})

	t.Run("openid connect disabled", func(t *testing.T) {
		task := createTask(fmt.Sprintf(workflowFormat, "false"), false, "push")

		taskContext, err := generateTaskContext(task, &repo_model.ActionsConfig{})
		require.NoError(t, err)
		require.Empty(t, taskContext.Fields["forgejo_actions_id_token_request_token"].GetStringValue())
		require.Empty(t, taskContext.Fields["forgejo_actions_id_token_request_url"].GetStringValue())
		require.NotEmpty(t, taskContext.Fields["gitea_runtime_token"].GetStringValue())
	})
}

func TestDeleteTask(t *testing.T) {
	t.Run("Task removed with logs and ephemeral runner", func(t *testing.T) {
		defer unittest.OverrideFixtures("services/actions/TestDeleteTask")()
		require.NoError(t, unittest.PrepareTestDatabase())

		task := unittest.AssertExistsAndLoadBean(t, &actions_model.ActionTask{ID: 87601})
		runner := unittest.AssertExistsAndLoadBean(t, &actions_model.ActionRunner{ID: 41601})
		unittest.AssertCount(t, &actions_model.ActionTaskOutput{TaskID: task.ID}, 2)
		unittest.AssertCount(t, &actions_model.ActionTaskStep{TaskID: task.ID}, 1)

		_, err := actions.WriteLogs(t.Context(), task.LogFilename, 0, []*runnerv1.LogRow{{Content: "OK"}})
		require.NoError(t, err)

		logExists, err := actions.ExistsLogs(t.Context(), task.LogFilename)
		require.NoError(t, err)
		assert.True(t, logExists)

		require.NoError(t, deleteTask(t.Context(), task.ID))

		logExists, err = actions.ExistsLogs(t.Context(), task.LogFilename)
		require.NoError(t, err)
		assert.False(t, logExists)

		unittest.AssertNotExistsBean(t, &actions_model.ActionTask{ID: task.ID})
		unittest.AssertCount(t, &actions_model.ActionTaskOutput{TaskID: task.ID}, 0)
		unittest.AssertCount(t, &actions_model.ActionTaskStep{TaskID: task.ID}, 0)
		unittest.AssertNotExistsBean(t, &actions_model.ActionRunner{ID: runner.ID})

		// Verify that other tasks have been left alone.
		otherTask := unittest.AssertExistsAndLoadBean(t, &actions_model.ActionTask{ID: 87602})
		unittest.AssertCount(t, &actions_model.ActionTaskOutput{TaskID: otherTask.ID}, 1)
		unittest.AssertCount(t, &actions_model.ActionTaskStep{TaskID: otherTask.ID}, 1)
	})

	t.Run("Task removed and persistent runner kept", func(t *testing.T) {
		defer unittest.OverrideFixtures("services/actions/TestDeleteTask")()
		require.NoError(t, unittest.PrepareTestDatabase())

		task := unittest.AssertExistsAndLoadBean(t, &actions_model.ActionTask{ID: 87603})
		runner := unittest.AssertExistsAndLoadBean(t, &actions_model.ActionRunner{ID: 41602})
		unittest.AssertCount(t, &actions_model.ActionTaskOutput{TaskID: task.ID}, 0)
		unittest.AssertCount(t, &actions_model.ActionTaskStep{TaskID: task.ID}, 1)

		_, err := actions.WriteLogs(t.Context(), task.LogFilename, 0, []*runnerv1.LogRow{{Content: "OK"}})
		require.NoError(t, err)

		logExists, err := actions.ExistsLogs(t.Context(), task.LogFilename)
		require.NoError(t, err)
		assert.True(t, logExists)

		require.NoError(t, deleteTask(t.Context(), task.ID))

		logExists, err = actions.ExistsLogs(t.Context(), task.LogFilename)
		require.NoError(t, err)
		assert.False(t, logExists)

		unittest.AssertNotExistsBean(t, &actions_model.ActionTask{ID: task.ID})
		unittest.AssertCount(t, &actions_model.ActionTaskOutput{TaskID: task.ID}, 0)
		unittest.AssertCount(t, &actions_model.ActionTaskStep{TaskID: task.ID}, 0)
		unittest.AssertExistsAndLoadBean(t, &actions_model.ActionRunner{ID: runner.ID})
	})

	t.Run("No error if task does not exist", func(t *testing.T) {
		require.NoError(t, unittest.PrepareTestDatabase())

		unittest.AssertNotExistsBean(t, &actions_model.ActionTask{ID: 87601})
		require.NoError(t, deleteTask(t.Context(), 87601))
	})

	t.Run("Error if task is not done", func(t *testing.T) {
		defer unittest.OverrideFixtures("services/actions/TestDeleteTask")()
		require.NoError(t, unittest.PrepareTestDatabase())

		task := unittest.AssertExistsAndLoadBean(t, &actions_model.ActionTask{ID: 87602})
		unittest.AssertCount(t, &actions_model.ActionTaskOutput{TaskID: task.ID}, 1)
		unittest.AssertCount(t, &actions_model.ActionTaskStep{TaskID: task.ID}, 1)

		err := deleteTask(t.Context(), task.ID)
		require.ErrorContains(t, err, "unable to remove task 87602 because it has not completed yet")

		// Verify nothing has been deleted.
		unittest.AssertExistsAndLoadBean(t, &actions_model.ActionTask{ID: task.ID})
		unittest.AssertCount(t, &actions_model.ActionTaskOutput{TaskID: task.ID}, 1)
		unittest.AssertCount(t, &actions_model.ActionTaskStep{TaskID: task.ID}, 1)
	})
}