// Copyright 2025 The Forgejo Authors. All rights reserved.
// SPDX-License-Identifier: GPL-3.0-or-later

package actions

import (
	"fmt"
	"testing"

	"forgejo.org/models/db"
	repo_model "forgejo.org/models/repo"
	"forgejo.org/models/unittest"
	"forgejo.org/modules/cache"

	"code.forgejo.org/forgejo/runner/v12/act/jobparser"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestGetRunBefore(t *testing.T) {
}

func TestSetConcurrencyGroup(t *testing.T) {
	run := ActionRun{}
	run.SetConcurrencyGroup("abc123")
	assert.Equal(t, "abc123", run.ConcurrencyGroup)
	run.SetConcurrencyGroup("ABC123") // case should collapse in SetConcurrencyGroup
	assert.Equal(t, "abc123", run.ConcurrencyGroup)
}

func TestSetDefaultConcurrencyGroup(t *testing.T) {
	run := ActionRun{
		Ref:          "refs/heads/main",
		WorkflowID:   "testing",
		TriggerEvent: "pull_request",
	}
	run.SetDefaultConcurrencyGroup()
	assert.Equal(t, "refs/heads/main_testing_pull_request__auto", run.ConcurrencyGroup)
	run = ActionRun{
		Ref:          "refs/heads/main",
		WorkflowID:   "TESTING", // case should collapse in SetDefaultConcurrencyGroup
		TriggerEvent: "pull_request",
	}
	run.SetDefaultConcurrencyGroup()
	assert.Equal(t, "refs/heads/main_testing_pull_request__auto", run.ConcurrencyGroup)
}

func TestRepoNumOpenActions(t *testing.T) {
	require.NoError(t, unittest.PrepareTestDatabase())
	err := cache.Init()
	require.NoError(t, err)

	t.Run("Repo 1", func(t *testing.T) {
		repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
		clearRepoRunCountCache(t.Context(), repo)
		assert.Equal(t, 0, RepoNumOpenActions(t.Context(), repo.ID))
	})

	t.Run("Repo 4", func(t *testing.T) {
		repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 4})
		clearRepoRunCountCache(t.Context(), repo)
		assert.Equal(t, 0, RepoNumOpenActions(t.Context(), repo.ID))
	})

	t.Run("Repo 63", func(t *testing.T) {
		repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 63})
		clearRepoRunCountCache(t.Context(), repo)
		assert.Equal(t, 1, RepoNumOpenActions(t.Context(), repo.ID))
	})

	t.Run("Cache Invalidation", func(t *testing.T) {
		repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 63})
		assert.Equal(t, 1, RepoNumOpenActions(t.Context(), repo.ID))

		err = db.DeleteBeans(t.Context(), &ActionRun{RepoID: repo.ID})
		require.NoError(t, err)

		// Even though we've deleted ActionRun, expecting that the number of open runs is still 1 (cached)
		assert.Equal(t, 1, RepoNumOpenActions(t.Context(), repo.ID))

		// Now that we clear the cache, computation should be performed
		clearRepoRunCountCache(t.Context(), repo)
		assert.Equal(t, 0, RepoNumOpenActions(t.Context(), repo.ID))
	})
}

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

	repoID := int64(10)
	pullRequestID := int64(3)
	pullRequestPosterID := int64(30)

	runDone := &ActionRun{
		RepoID:              repoID,
		PullRequestID:       pullRequestID,
		PullRequestPosterID: pullRequestPosterID,
		Status:              StatusSuccess,
	}
	require.NoError(t, InsertRun(t.Context(), runDone, nil))

	unrelatedUser := int64(5)
	runNotByPoster := &ActionRun{
		RepoID:              repoID,
		PullRequestID:       pullRequestID,
		PullRequestPosterID: unrelatedUser,
		Status:              StatusRunning,
	}
	require.NoError(t, InsertRun(t.Context(), runNotByPoster, nil))

	unrelatedRepository := int64(6)
	runNotInTheSameRepository := &ActionRun{
		RepoID:              unrelatedRepository,
		PullRequestID:       pullRequestID,
		PullRequestPosterID: pullRequestPosterID,
		Status:              StatusSuccess,
	}
	require.NoError(t, InsertRun(t.Context(), runNotInTheSameRepository, nil))

	for _, status := range []Status{StatusUnknown, StatusWaiting, StatusRunning} {
		t.Run(fmt.Sprintf("%s", status), func(t *testing.T) {
			runNotDone := &ActionRun{
				RepoID:              repoID,
				PullRequestID:       pullRequestID,
				Status:              status,
				PullRequestPosterID: pullRequestPosterID,
			}
			require.NoError(t, InsertRun(t.Context(), runNotDone, nil))
			runs, err := GetRunsNotDoneByRepoIDAndPullRequestPosterID(t.Context(), repoID, pullRequestPosterID)
			require.NoError(t, err)
			require.Len(t, runs, 1)
			run := runs[0]
			assert.Equal(t, runNotDone.ID, run.ID)
			assert.Equal(t, runNotDone.Status, run.Status)
			unittest.AssertSuccessfulDelete(t, run)
		})
	}
}

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

	pullRequestPosterID := int64(4)
	repoID := int64(10)
	pullRequestID := int64(2)
	runDoesNotNeedApproval := &ActionRun{
		RepoID:              repoID,
		PullRequestID:       pullRequestID,
		PullRequestPosterID: pullRequestPosterID,
	}
	require.NoError(t, InsertRun(t.Context(), runDoesNotNeedApproval, nil))
	unrelatedRepository := int64(6)
	runNotInTheSameRepository := &ActionRun{
		RepoID:              unrelatedRepository,
		PullRequestID:       pullRequestID,
		PullRequestPosterID: pullRequestPosterID,
		NeedApproval:        true,
	}
	require.NoError(t, InsertRun(t.Context(), runNotInTheSameRepository, nil))
	unrelatedPullRequest := int64(3)
	runNotInTheSamePullRequest := &ActionRun{
		RepoID:              repoID,
		PullRequestID:       unrelatedPullRequest,
		PullRequestPosterID: pullRequestPosterID,
		NeedApproval:        true,
	}
	require.NoError(t, InsertRun(t.Context(), runNotInTheSamePullRequest, nil))

	t.Run("HasRunThatNeedApproval is false", func(t *testing.T) {
		has, err := HasRunThatNeedApproval(t.Context(), repoID, pullRequestID)
		require.NoError(t, err)
		assert.False(t, has)
	})

	runNeedApproval := &ActionRun{
		RepoID:              repoID,
		PullRequestID:       pullRequestID,
		PullRequestPosterID: pullRequestPosterID,
		NeedApproval:        true,
	}
	require.NoError(t, InsertRun(t.Context(), runNeedApproval, nil))

	t.Run("HasRunThatNeedApproval is true", func(t *testing.T) {
		has, err := HasRunThatNeedApproval(t.Context(), repoID, pullRequestID)
		require.NoError(t, err)
		assert.True(t, has)
	})

	assertApprovalEqual := func(t *testing.T, expected, actual *ActionRun) {
		t.Helper()
		assert.Equal(t, expected.RepoID, actual.RepoID)
		assert.Equal(t, expected.PullRequestID, actual.PullRequestID)
		assert.Equal(t, expected.PullRequestPosterID, actual.PullRequestPosterID)
		assert.Equal(t, expected.NeedApproval, actual.NeedApproval)
	}

	t.Run("GetRunsThatNeedApproval", func(t *testing.T) {
		runs, err := GetRunsThatNeedApprovalByRepoIDAndPullRequestID(t.Context(), repoID, pullRequestID)
		require.NoError(t, err)
		require.Len(t, runs, 1)
		assertApprovalEqual(t, runNeedApproval, runs[0])
	})
}

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

	pullRequestPosterID := int64(4)
	repoID := int64(10)
	pullRequestID := int64(2)
	runDoesNotNeedApproval := &ActionRun{
		RepoID:              repoID,
		PullRequestID:       pullRequestID,
		PullRequestPosterID: pullRequestPosterID,
	}

	workflowRaw := []byte(`
jobs:
  job2:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        dim1: "${{ fromJSON(needs.other-job.outputs.some-output) }}"
    steps:
      - run: true
`)
	workflows, err := jobparser.Parse(workflowRaw, false, jobparser.WithJobOutputs(map[string]map[string]string{}))
	require.NoError(t, err)
	require.True(t, workflows[0].IncompleteMatrix) // must be set for this test scenario to be valid

	require.NoError(t, InsertRun(t.Context(), runDoesNotNeedApproval, workflows))

	jobs, err := db.Find[ActionRunJob](t.Context(), FindRunJobOptions{RunID: runDoesNotNeedApproval.ID})
	require.NoError(t, err)
	require.Len(t, jobs, 1)
	job := jobs[0]

	// Expect job with an incomplete matrix to be StatusBlocked:
	assert.Equal(t, StatusBlocked, job.Status)
}

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

	pullRequestPosterID := int64(4)
	repoID := int64(10)
	pullRequestID := int64(2)
	runDoesNotNeedApproval := &ActionRun{
		RepoID:              repoID,
		PullRequestID:       pullRequestID,
		PullRequestPosterID: pullRequestPosterID,
	}

	workflowRaw := []byte(`
jobs:
  job2:
    runs-on: ${{ needs.other-job.outputs.some-output }}
    steps:
      - run: true
`)
	workflows, err := jobparser.Parse(workflowRaw, false, jobparser.WithJobOutputs(map[string]map[string]string{}), jobparser.SupportIncompleteRunsOn())
	require.NoError(t, err)
	require.True(t, workflows[0].IncompleteRunsOn) // must be set for this test scenario to be valid

	require.NoError(t, InsertRun(t.Context(), runDoesNotNeedApproval, workflows))

	jobs, err := db.Find[ActionRunJob](t.Context(), FindRunJobOptions{RunID: runDoesNotNeedApproval.ID})
	require.NoError(t, err)
	require.Len(t, jobs, 1)
	job := jobs[0]

	// Expect job with an incomplete runs-on to be StatusBlocked:
	assert.Equal(t, StatusBlocked, job.Status)
}
