package gitlab

import (
	"bufio"
	"os"
	"strings"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"github.com/xlgmokha/x/pkg/x"
	"gitlab.com/mokhax/stanuki/pkg/gitlab"
)

func TestIssue(t *testing.T) {
	t.Run("FromIssues", func(t *testing.T) {
		t.Run("parses the array of issues from IO", func(t *testing.T) {
			body := strings.NewReader(`[{"ID":1,"title":"Issue Title"}]`)

			results, err := gitlab.FromIssues(body)

			require.NoError(t, err)
			require.Equal(t, 1, len(results))
			assert.Equal(t, 1, results[0].ID)
			assert.Equal(t, "Issue Title", results[0].Title)
		})
	})

	t.Run("From", func(t *testing.T) {
		t.Run("parses each field", func(t *testing.T) {
			file, err := os.Open("../../test/data/issues.json")
			require.NoError(t, err)

			reader := bufio.NewReader(file)
			results, err := gitlab.FromIssues(reader)
			require.NoError(t, err)

			assert.Len(t, results, 20)

			result := results[0]

			assert.Equal(t, 146760799, result.ID)
			assert.Equal(t, 6375, result.IID)
			assert.Equal(t, 40549124, result.ProjectID)
			assert.Contains(t, result.Title, "`gitlab-org/gitlab` broken `master` with rspec unit")
			assert.Contains(t, result.Description, "## How to close this incident\n\n- Follow the steps in the")
			assert.Equal(t, gitlab.IssueClosed, result.State)
			assert.Equal(t, x.Must(time.Parse(time.RFC3339Nano, "2024-05-18T17:39:14.548Z")), result.CreatedAt)
			assert.Equal(t, x.Must(time.Parse(time.RFC3339Nano, "2024-05-18T18:14:37.830Z")), result.UpdatedAt)
			assert.Equal(t, x.Must(time.Parse(time.RFC3339Nano, "2024-05-18T17:39:16.837Z")), result.ClosedAt)

			t.Run("closed_by", func(t *testing.T) {
				user := result.ClosedBy
				assert.Equal(t, 1786152, user.ID)
				assert.Equal(t, "gitlab-bot", user.Username)
				assert.Equal(t, gitlab.UserActive, user.State)
				assert.Equal(t, false, user.Locked)
				assert.Equal(t, "https://gitlab.com/uploads/-/system/user/avatar/1786152/avatar.png", user.AvatarUrl)
				assert.Equal(t, "https://gitlab.com/gitlab-bot", user.WebUrl)
			})

			assert.ElementsMatch(t, []string{
				"Engineering Productivity",
				"master-broken::job-timeout",
				"master:broken",
			}, result.Labels)

			assert.Nil(t, result.Milestone)
			assert.Empty(t, result.Assignees)

			assert.Equal(t, 1786152, result.Author.ID)
			assert.Equal(t, gitlab.IssueTypeIncident, result.Type)
			assert.Nil(t, result.Assignee)
			assert.Equal(t, 4, result.UserNotesCount)
			assert.Equal(t, 0, result.MergeRequestsCount)
			assert.Equal(t, 0, result.Upvotes)
			assert.Equal(t, 0, result.Downvotes)
			assert.Nil(t, result.DueDate)
			assert.False(t, result.Confidential)
			assert.Nil(t, result.DiscussionLocked)
			assert.Equal(t, "https://gitlab.com/gitlab-org/quality/engineering-productivity/master-broken-incidents/-/issues/6375", result.WebUrl)

			// t.Run("time_stats", func(t *testing.T) {
			// 	stats := result.TimeStatistics
			// 	assert.Equal(t, 0, stats.TimeEstimate)
			// 	assert.Equal(t, 0, stats.TotalTimeSpent)
			// 	assert.Nil(t, stats.HumanTimeEstimate)
			// 	assert.Nil(t, stats.HumanTimeSpent)
			// })

			// t.Run("task_completion_status", func(t *testing.T) {
			// 	status := result.TaskCompletionStatus
			// 	assert.Equal(t, 0, status.Count)
			// 	assert.Equal(t, 0, status.CompletedCount)
			// })

			assert.Equal(t, 0, result.BlockingIssuesCount)
			assert.True(t, result.HasTasks)
			assert.Equal(t, "0 of 0 checklist items completed", result.TaskStatus)
		})
	})
}