import logging
from flask import Blueprint, request, jsonify

logger = logging.getLogger('picell')

setup_bp = Blueprint('setup', __name__, url_prefix='/api/setup')


def _get_setup_manager():
    from app import setup_manager
    return setup_manager


@setup_bp.route('/status', methods=['GET'])
def get_setup_status():
    """Return wizard status and available options."""
    sm = _get_setup_manager()
    if sm.is_setup_complete():
        return jsonify({'error': 'Setup already complete'}), 410
    return jsonify(sm.get_setup_status())


@setup_bp.route('/validate', methods=['POST'])
def validate_setup_step():
    """Validate a single wizard step.

    Expects JSON body: ``{'step': '<step_name>', 'data': {...}}``.
    Supported steps: ``cell_name``, ``password``.
    """
    sm = _get_setup_manager()
    if sm.is_setup_complete():
        return jsonify({'error': 'Setup already complete'}), 410

    body = request.get_json(silent=True) or {}
    step = body.get('step', '')
    data = body.get('data', {})

    if step == 'cell_name':
        errors = sm.validate_cell_name(data.get('cell_name', ''))
    elif step == 'password':
        errors = sm.validate_password(data.get('password', ''))
    else:
        return jsonify({'valid': False, 'errors': [f"Unknown step: {step!r}"]}), 400

    return jsonify({'valid': len(errors) == 0, 'errors': errors})


@setup_bp.route('/complete', methods=['POST'])
def complete_setup():
    """Complete the first-run wizard and create the admin account."""
    sm = _get_setup_manager()
    if sm.is_setup_complete():
        return jsonify({'error': 'Setup already complete'}), 410

    payload = request.get_json(silent=True) or {}
    result = sm.complete_setup(payload)
    status_code = 200 if result.get('success') else 400
    return jsonify(result), status_code