import unittest
import sys
from pathlib import Path

# Add project root to path
ROOT_DIR = Path(__file__).resolve().parent.parent.parent
sys.path.append(str(ROOT_DIR))

from engine.utils.story_parser import extract_scene_data

class TestStoryExtraction(unittest.TestCase):
    def test_standard_format(self):
        content = """
## Scene 1 : L'Ombre
**Prompt d'image :** Une silhouette noire dans le brouillard.
**Narration :** L'ombre approchait sans un bruit.
**Texte à l'écran :** CHAPITRE 1
"""
        story_file = Path("engine/tests/temp_test.md")
        story_file.write_text(content, encoding="utf-8")
        try:
            scenes = extract_scene_data(str(story_file))
            self.assertEqual(len(scenes), 1)
            self.assertEqual(scenes[0]["prompt"], "Une silhouette noire dans le brouillard.")
            self.assertEqual(scenes[0]["narration"], "L'ombre approchait sans un bruit.")
            self.assertEqual(scenes[0]["text_overlay"], "CHAPITRE 1")
        finally:
            if story_file.exists(): story_file.unlink()

    def test_variations_and_markdown(self):
        content = """
## Scene 1 : Test
- **Visual Prompt** : cinematic view of a castle
- **Narration** : "Once upon a time."
- Texte : TITLE

## Scene 2 : Second
**Visuel** : a knight in armor
Narration : he was brave.
"""
        story_file = Path("engine/tests/temp_test_var.md")
        story_file.write_text(content, encoding="utf-8")
        try:
            scenes = extract_scene_data(str(story_file))
            self.assertEqual(len(scenes), 2)
            
            self.assertEqual(scenes[0]["prompt"], "cinematic view of a castle")
            self.assertEqual(scenes[0]["narration"], "Once upon a time.")
            self.assertEqual(scenes[0]["text_overlay"], "TITLE")
            
            self.assertEqual(scenes[1]["prompt"], "a knight in armor")
            self.assertEqual(scenes[1]["narration"], "he was brave.")
        finally:
            if story_file.exists(): story_file.unlink()

    def test_multiline_narration(self):
        content = """
## Scene 1
**Narration :**
Ceci est une narration
sur plusieurs lignes
pour tester la robustesse.

**Visual Prompt :** Un champ de fleurs.
"""
        story_file = Path("engine/tests/temp_test_multi.md")
        story_file.write_text(content, encoding="utf-8")
        try:
            scenes = extract_scene_data(str(story_file))
            self.assertEqual(len(scenes), 1)
            self.assertIn("Ceci est une narration", scenes[0]["narration"])
            self.assertIn("plusieurs lignes", scenes[0]["narration"])
            self.assertEqual(scenes[0]["prompt"], "Un champ de fleurs.")
        finally:
            if story_file.exists(): story_file.unlink()

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