from flask import Flask, render_template, jsonify, request
from src.engine import TruthEngine
import threading
import time

app = Flask(__name__)
engine = TruthEngine()

# Estado global para a interface
current_mnb_id = None

@app.route('/')
def index():
    return render_template('index.html')

@app.route('/ingest', methods=['POST'])
def ingest():
    global current_mnb_id
    intent = request.json.get('intent', 'Sem intenção definida')
    mnb = engine.ingest(intent)
    current_mnb_id = mnb.id
    return jsonify({"mnb_id": mnb.id, "status": "INGESTED"})

@app.route('/advance', methods=['POST'])
def advance():
    if not current_mnb_id:
        return jsonify({"error": "Nenhum MNB ativo"}), 400
    result = engine.advance(current_mnb_id)
    return jsonify(result)

@app.route('/status')
def status():
    if not current_mnb_id:
        return jsonify({"active": False})
    mnb = engine.active_mnbs.get(current_mnb_id)
    return jsonify({
        "active": True,
        "mnb_id": mnb.id,
        "intent": mnb.intent,
        "current_stage": mnb.current_stage,
        "stages_count": len(engine.STAGES),
        "status": mnb.status,
        "history": mnb.stages_history,
        "ledger_hash": engine.ledger.get_last_hash()
    })

@app.route('/evidence')
def evidence():
    if not current_mnb_id:
        return jsonify({"error": "Nenhum MNB ativo"}), 400
    pack = engine.generate_evidence_pack(current_mnb_id)
    return jsonify({
        "pack_hash": pack.pack_hash,
        "blocks": pack.blocks,
        "ledger_hash": pack.ledger_hash
    })

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5000, debug=True)