"""Outlook Pages Routes - GMAO Collège"""
from flask import Blueprint, render_template, redirect, url_for, request, flash, jsonify, send_file
from flask_login import login_required, current_user
from app_new.extensions import db
from ..outlook.models import OutlookAccount, OutlookMail, OutlookFolder, OutlookAttachment, OutlookMailInterpretation, GmaoContext
import os
import subprocess
import json
import tempfile

pages_bp = Blueprint('outlook_pages', __name__, template_folder='templates')

"""
Outlook Routes - GMAO Collège
Intégration Outlook/Microsoft
"""
from flask import Blueprint, render_template, redirect, url_for, request, flash, jsonify, send_file
from flask_login import login_required, current_user
from app_new.extensions import db
from ..outlook.models import OutlookAccount, OutlookMail, OutlookFolder, OutlookAttachment, OutlookMailInterpretation, GmaoContext
import os
import subprocess
import json
import tempfile

outlook_bp = Blueprint('outlook', __name__, template_folder='templates')


# ─── Pages principales ─────────────────────────────────────────────────────

@pages_bp.route('/')
@login_required
def index():
    """Page principale: Liste des comptes Outlook."""
    accounts = OutlookAccount.query.filter_by(user_id=current_user.id).all()
    return render_template('outlook/add.html', accounts=accounts)

@pages_bp.route('/add')
@login_required
def add_account():
    """Page d'ajout de compte Outlook."""
    accounts = OutlookAccount.query.filter_by(user_id=current_user.id).all()
    return render_template('outlook/add.html', accounts=accounts)

@pages_bp.route('/<int:account_id>/reactivate', methods=['POST'])
@login_required
def reactivate_account(account_id):
    """Réauthentifier un compte Outlook (supprime l'ancien token et redirige vers l'ajout)."""
    account = OutlookAccount.query.get_or_404(account_id)
    if account.user_id != current_user.id:
        flash('Compte non autorisé.', 'error')
        return redirect(url_for('outlook_pages.index'))
    # Supprimer le compte existant pour relancer le flux OAuth2
    email = account.email
    OutlookMail.query.filter_by(account_id=account_id).delete()
    OutlookFolder.query.filter_by(account_id=account_id).delete()
    db.session.delete(account)
    db.session.commit()
    flash(f'Compte {email} supprimé. Veuillez le recréer.', 'success')
    return redirect(url_for('outlook_pages.add_account'))


@pages_bp.route('/<int:account_id>')
@login_required
def account_detail(account_id):
    """Détails d'un compte avec ses dossiers."""
    account = OutlookAccount.query.get_or_404(account_id)
    
    # Récupérer tous les dossiers
    all_folders = OutlookFolder.query.filter_by(account_id=account_id).all()
    
    # Construire un index par ID
    folder_by_id = {f.id: f for f in all_folders}
    
    # Identifier les dossiers racines (parent_id non existant dans la base)
    root_folders = []
    for folder in all_folders:
        if not folder.parent_id or folder.parent_id not in folder_by_id:
            root_folders.append(folder)
    
    # Fonction récursive pour construire l'arbre
    def build_folder_tree(folders):
        result = []
        for folder in folders:
            # Trouver les enfants
            children = [f for f in all_folders if f.parent_id == folder.id]
            folder_dict = {
                'id': folder.id,
                'name': folder.display_name or folder.name,
                'total_items': folder.total_items,
                'unread_items': folder.unread_items,
                'folder_type': folder.folder_type,
                'children': build_folder_tree(children) if children else []
            }
            result.append(folder_dict)
        return result
    
    folders_tree = build_folder_tree(root_folders)
    
    return render_template('outlook/account.html', account=account, folders_tree=folders_tree)


@pages_bp.route('/<int:account_id>/folder/<folder_id>')
@login_required
def folder_view(account_id, folder_id):
    """Affiche les emails d'un dossier."""
    account = OutlookAccount.query.get_or_404(account_id)
    folder = OutlookFolder.query.get_or_404(folder_id)
    mails = OutlookMail.query.filter_by(folder_id=folder_id).order_by(OutlookMail.received_at.desc()).limit(50).all()
    
    # Compter les non lus
    unread_count = sum(1 for m in mails if not m.is_read)
    
    return render_template('outlook/folder.html', account=account, folder=folder, mails=mails, unread_count=unread_count)


@pages_bp.route('/<int:account_id>/mail/<mail_id>')
@login_required
def mail_view(account_id, mail_id):
    """Affiche un email en détail avec interprétation Hermes."""
    account = OutlookAccount.query.get_or_404(account_id)
    mail = OutlookMail.query.get_or_404(mail_id)
    
    # Marquer comme lu
    if not mail.is_read:
        mail.is_read = True
        db.session.commit()
    
    # Récupérer les pièces jointes
    attachments = OutlookAttachment.query.filter_by(mail_id=mail_id).all()
    
    # Récupérer les interprétations
    interpretations = OutlookMailInterpretation.query.filter_by(mail_id=mail_id).order_by(OutlookMailInterpretation.created_at.desc()).all()
    
    return render_template('outlook/mail.html', account=account, mail=mail, attachments=attachments, interpretations=interpretations)


@pages_bp.route('/<int:account_id>/delete', methods=['POST'])
@login_required
def delete_account(account_id):
    """Supprime un compte Outlook."""
    account = OutlookAccount.query.get_or_404(account_id)
    if account.user_id != current_user.id:
        flash('Non autorisé.', 'danger')
        return redirect(url_for('outlook_pages.index'))
    
    # Supprimer les mails et dossiers associés
    OutlookMail.query.filter_by(account_id=account_id).delete()
    OutlookFolder.query.filter_by(account_id=account_id).delete()
    db.session.delete(account)
    db.session.commit()
    flash('Compte Outlook supprimé.', 'success')
    return redirect(url_for('outlook_pages.index'))