package agents

import (
	"context"
	"path/filepath"
	"testing"
	"time"

	"g.fc.run/misc/byre/internal/api"
	"g.fc.run/misc/byre/internal/store"
)

func TestTaskCreatedSignalText(t *testing.T) {
	ctx := context.Background()
	events := []api.Event{}
	st, err := store.Open(filepath.Join(t.TempDir(), "byre.db"), func(ev api.Event) { events = append(events, ev) })
	if err != nil {
		t.Fatalf("open store: %v", err)
	}
	t.Cleanup(func() { st.Close() })

	now := time.Now().UTC()
	_, err = st.EnsureUser(ctx, "ian@fc.run", "Ian")
	if err != nil {
		t.Fatalf("ensure user: %v", err)
	}
	err = st.CreateProject(ctx, api.Project{Id: "p1", Name: "byre", RepoPath: "/nonexistent", DefaultBranch: "main", Remote: "none", CreatedBy: "ian@fc.run", CreatedAt: now})
	if err != nil {
		t.Fatalf("create project: %v", err)
	}

	item := "Question answers given while the agent is working get lost"
	tasks := []api.Task{
		{Id: "a5ad5dbb72eb", ProjectId: "p1", Title: item, Branch: "byre/a5ad5dbb72eb", WorktreePath: "/nonexistent", BaseRef: "x", Status: api.TaskStatusActive, CreatedBy: "ian@fc.run", CreatedAt: now, TodoItem: &item},
		{Id: "b6be6ecc83fc", ProjectId: "p1", Title: "Fix the thing", Branch: "byre/b6be6ecc83fc", WorktreePath: "/nonexistent", BaseRef: "x", Status: api.TaskStatusActive, CreatedBy: "ian@fc.run", CreatedAt: now},
	}
	for _, task := range tasks {
		err = st.CreateTask(ctx, task, task.CreatedBy)
		if err != nil {
			t.Fatalf("create task: %v", err)
		}
	}

	created := []api.Event{}
	for _, ev := range events {
		if ev.Kind == "task.created" {
			created = append(created, ev)
		}
	}
	if len(created) != 2 {
		t.Fatalf("task.created events %+v", created)
	}

	m := New(st, DefaultLimits, t.TempDir(), t.TempDir())
	want := []string{
		`[byre ▸ Question answers given while the agent is working get lost, task a5ad5dbb72eb] was created by ian@fc.run from TODO item "Question answers given while the agent is working get lost".`,
		`[byre ▸ Fix the thing, task b6be6ecc83fc] was created by ian@fc.run.`,
	}
	for i, ev := range created {
		got, err := m.signalText(ctx, ev)
		if err != nil {
			t.Fatalf("signal text: %v", err)
		}
		if got != want[i] {
			t.Fatalf("signal text\n got %q\nwant %q", got, want[i])
		}
	}
}