"""Tests for web UI prompt library (#428)."""
import sys
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent.parent))

from starlette.testclient import TestClient

from webui.app import create_app
from webui.prompt_library import load_prompt_library, prompt_to_dict


class TestWebuiPromptLibrary(unittest.TestCase):
    def setUp(self):
        self.client = TestClient(create_app())

    def test_library_has_required_prompts(self):
        entries = load_prompt_library()
        slugs = {entry.slug for entry in entries}
        self.assertEqual(
            slugs,
            {
                "review-pr",
                "work-issue",
                "create-issue",
                "comment-issue",
                "cleanup",
                "audit",
                "onboarding",
            },
        )

    def test_workflow_entries_include_hash_and_task_mode(self):
        review = next(e for e in load_prompt_library() if e.slug == "review-pr")
        self.assertEqual(
            review.workflow_path,
            "skills/llm-project-workflow/workflows/review-merge-pr.md",
        )
        self.assertEqual(review.task_mode, "review-merge-pr")
        self.assertIsNotNone(review.workflow_hash)
        self.assertGreater(len(review.workflow_hash), 12)
        self.assertIn("eligible open PR", review.prompt_text)

    def test_comment_issue_defers_to_workflow(self):
        comment = next(e for e in load_prompt_library() if e.slug == "comment-issue")
        self.assertIn("comment_issue", comment.prompt_text)
        self.assertIn("create-issue", comment.workflow_path)
        self.assertIn("§16", comment.source_note)

    def test_prompts_page_renders_cards_and_copy_buttons(self):
        response = self.client.get("/prompts")
        self.assertEqual(response.status_code, 200)
        text = response.text
        self.assertIn("Prompt library", text)
        self.assertIn("review-merge-pr.md", text)
        self.assertIn("Copy prompt", text)
        self.assertIn('data-copy-target="prompt-review-pr"', text)
        self.assertNotIn("child issue", text.lower())

    def test_api_prompts_json(self):
        response = self.client.get("/api/prompts")
        self.assertEqual(response.status_code, 200)
        data = response.json()
        self.assertEqual(data["count"], 7)
        self.assertEqual(len(data["prompts"]), 7)
        first = data["prompts"][0]
        self.assertIn("slug", first)
        self.assertIn("prompt_text", first)
        self.assertIn("workflow_path", first)
        self.assertIn("workflow_hash", first)

    def test_prompt_to_dict_round_trip(self):
        entry = load_prompt_library()[0]
        payload = prompt_to_dict(entry)
        self.assertEqual(payload["slug"], entry.slug)
        self.assertEqual(payload["prompt_text"], entry.prompt_text)


if __name__ == "__main__":
    unittest.main()