"""Test Forge routes."""
from flask import Blueprint, render_template, request, jsonify
from .forge import generate_tests

bp = Blueprint("test_forge", __name__, template_folder="templates")

SUPPORTED_FRAMEWORKS = {
    "TypeScript / Jest",
    "Python / pytest",
    "JavaScript / Mocha",
    "Java / JUnit",
    "Go / testing",
    "Ruby / RSpec",
    "PHP / PHPUnit",
    "C# / xUnit",
}


@bp.route("/")
def index():
    return render_template("test_forge/index.html")


@bp.route("/api/generate", methods=["POST"])
def api_generate():
    body = request.get_json(silent=True) or {}
    source_code = (body.get("source_code") or "").strip()
    framework = (body.get("framework") or "Python / pytest").strip()
    instructions = (body.get("instructions") or "").strip()

    if not source_code:
        return jsonify({"error": "source_code is required — paste your code"}), 400
    if len(source_code) < 20:
        return jsonify({"error": "Source code too short — paste a real function or class"}), 400
    if framework not in SUPPORTED_FRAMEWORKS:
        return jsonify({"error": f"Unsupported framework: {framework}"}), 400

    result = generate_tests(source_code, framework, instructions)
    if not result:
        return jsonify({"error": "AI failed to generate tests — please try again"}), 502
    return jsonify(result)