"""DevKit — Flask app factory."""
import os
from flask import Flask
from flask_wtf.csrf import CSRFProtect

_csrf = CSRFProtect()


def create_app():
    app = Flask(__name__, template_folder="templates")
    app.config["SECRET_KEY"] = os.environ.get("SECRET_KEY", "dev-devkit-2026")
    app.config["MAX_CONTENT_LENGTH"] = 30 * 1024 * 1024
    _csrf.init_app(app)

    from app.home.routes import bp as home_bp
    app.register_blueprint(home_bp)

    from app.tools.schema_detective.routes import bp as schema_detective_bp
    app.register_blueprint(schema_detective_bp, url_prefix='/schema-detective')

    from app.tools.test_forge.routes import bp as test_forge_bp
    app.register_blueprint(test_forge_bp, url_prefix='/test-forge')

    from app.tools.sql_whisperer.routes import bp as sql_whisperer_bp
    app.register_blueprint(sql_whisperer_bp, url_prefix='/sql-whisperer')

    from app.tools.doc_forge.routes import bp as doc_forge_bp
    app.register_blueprint(doc_forge_bp, url_prefix='/doc-forge')

    from app.tools.changelog_ai.routes import bp as changelog_ai_bp
    app.register_blueprint(changelog_ai_bp, url_prefix='/changelog-ai')

    from app.tools.git_narrator.routes import bp as git_narrator_bp
    app.register_blueprint(git_narrator_bp, url_prefix='/git-narrator')

    from flask import jsonify
    @app.errorhandler(Exception)
    def _handle_exc(e):
        code = getattr(e, "code", 500)
        return jsonify({"error": str(e)}), code

    return app