import json
from pathlib import Path

DATA_DIR = Path(__file__).parent / "data"

REQUIRED_FILES = {
    "identity.json": ["first_name", "last_name", "email"],
    "context.json": ["title", "summary"],
    "experiences.json": [],
    "languages.json": [],
    "hobbies.json": [],
    "hyperlinks.json": []
}

def load_json_data() -> dict:
    data = {}
    if not DATA_DIR.exists():
        raise FileNotFoundError(f"Le dossier '{DATA_DIR}' n'existe pas.")

    for filename, required_keys in REQUIRED_FILES.items():
        file_path = DATA_DIR / filename
        if not file_path.exists():
            raise FileNotFoundError(f"Fichier requis manquant : '{filename}' dans le dossier data/")

        with open(file_path, "r", encoding="utf-8") as f:
            try:
                content = json.load(f)
            except json.JSONDecodeError as e:
                raise ValueError(f"Erreur de syntaxe JSON dans '{filename}' : {e}")

        # Validation des clés requises
        if isinstance(content, dict):
            for key in required_keys:
                if key not in content or not str(content[key]).strip():
                    raise KeyError(f"Clé manquante ou vide '{key}' dans '{filename}'")

        key_name = filename.replace(".json", "")
        data[key_name] = content

    return data