#!/usr/bin/env python3
from flask import Flask, request, jsonify, redirect, send_file
import sqlite3
import os
import requests
import csv
import io

app = Flask(__name__)
DB_FILE = '/home/h3r7/depenses_trello/depenses.db'

def init_db():
    conn = sqlite3.connect(DB_FILE)
    c = conn.cursor()
    c.execute('''CREATE TABLE IF NOT EXISTS depenses (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        prenom TEXT,
        date TEXT,
        libelle TEXT,
        montant REAL,
        status TEXT DEFAULT 'En attente',
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
    )''')
    c.execute('''CREATE TABLE IF NOT EXISTS config (
        key TEXT PRIMARY KEY,
        value TEXT
    )''')
    c.execute('''CREATE TABLE IF NOT EXISTS prenoms (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        name TEXT UNIQUE
    )''')
    conn.commit()
    conn.close()

def get_db():
    conn = sqlite3.connect(DB_FILE)
    conn.row_factory = sqlite3.Row
    return conn

init_db()

def parse_date(d):
    if not d: return ""
    if "/" in d:
        parts = d.split("/")
        if len(parts) == 3:
            return f"{parts[2]}-{parts[1]}-{parts[0]}"
    return d

@app.route('/')
def index():
    with open('/home/h3r7/depenses_trello/templates/index.html', 'r') as f:
        return f.read()

@app.route('/dashboard')
def dashboard():
    with open('/home/h3r7/depenses_trello/templates/dashboard.html', 'r') as f:
        return f.read()

# API Config
@app.route('/api/config')
def get_config():
    conn = get_db()
    c = conn.cursor()
    
    # Get prenoms
    c.execute('SELECT name FROM prenoms')
    prenoms = [row[0] for row in c.fetchall()]
    
    # Get format
    c.execute("SELECT value FROM config WHERE key='format'")
    format_row = c.fetchone()
    format_val = format_row[0] if format_row else '{prenom} - {date} - {libelle} - {montant}€'
    
    # Get trello config
    c.execute("SELECT value FROM config WHERE key='trello'")
    trello_row = c.fetchone()
    trello = {}
    if trello_row:
        import json
        trello = json.loads(trello_row[0])
    
    # Get categories
    c.execute("SELECT value FROM config WHERE key='categories'")
    cat_row = c.fetchone()
    categories = cat_row[0].split(',') if cat_row else ['Courses', 'Essence', 'Loisirs', 'Maison', 'Santé', 'Transport', 'Autre']
    
    conn.close()
    
    return jsonify({
        'format': format_val,
        'prenoms': prenoms,
        'categories': categories,
        'trello': trello
    })

# Add depense
@app.route('/api/add', methods=['POST'])
def add_depense():
    conn = get_db()
    c = conn.cursor()
    c.execute('INSERT INTO depenses (prenom, date, libelle, montant, status, category) VALUES (?, ?, ?, ?, ?, ?)',
              (request.form.get('prenom'), parse_date(request.form.get('date', '')), 
               request.form.get('libelle'), float(request.form.get('montant', 0)), 'En attente', request.form.get('category', 'Autre')))
    conn.commit()
    conn.close()
    return redirect('/?page=saisie')

# Get depenses
@app.route('/api/depenses')
def get_depenses():
    conn = get_db()
    c = conn.cursor()
    c.execute('SELECT id, prenom, date, libelle, montant, status, category FROM depenses ORDER BY date DESC')
    rows = c.fetchall()
    conn.close()
    return jsonify([dict(row) for row in rows])

# Delete depense
@app.route('/api/del/<int:id>')
def delete_depense(id):
    conn = get_db()
    c = conn.cursor()
    c.execute('DELETE FROM depenses WHERE id=?', (id,))
    conn.commit()
    conn.close()
    return redirect('/?page=saisie')

# Clear all
@app.route('/api/clear', methods=['POST'])
def clear_depenses():
    conn = get_db()
    c = conn.cursor()
    c.execute('DELETE FROM depenses')
    conn.commit()
    conn.close()
    return jsonify({'success': True})

# Export CSV
@app.route('/api/export')
def export_csv():
    conn = get_db()
    c = conn.cursor()
    c.execute('SELECT prenom, date, libelle, montant, status FROM depenses ORDER BY date DESC')
    rows = c.fetchall()
    conn.close()
    
    output = io.StringIO()
    writer = csv.writer(output)
    writer.writerow(['prenom', 'date', 'libelle', 'montant', 'status'])
    for row in rows:
        writer.writerow(row)
    
    output.seek(0)
    return send_file(
        io.BytesIO(output.getvalue().encode('utf-8')),
        mimetype='text/csv',
        as_attachment=True,
        download_name='depenses_2026.csv'
    )

# Import CSV
@app.route('/api/import', methods=['POST'])
def import_csv():
    if 'file' not in request.files:
        return jsonify({'error': 'Aucun fichier'}), 400
    
    file = request.files['file']
    if file.filename == '':
        return jsonify({'error': 'Fichier vide'}), 400
    
    try:
        content = file.read().decode('utf-8')
        reader = csv.reader(content.splitlines())
        next(reader)
        
        conn = get_db()
        c = conn.cursor()
        
        imported = 0
        for row in reader:
            if len(row) >= 4:
                c.execute('INSERT INTO depenses (prenom, date, libelle, montant, status) VALUES (?, ?, ?, ?, ?)',
                         (row[0].strip(), row[1].strip(), row[2].strip(), 
                          float(row[3]) if row[3] else 0, row[4].strip() if len(row) > 4 else 'En attente'))
                imported += 1
        
        conn.commit()
        conn.close()
        return jsonify({'success': True, 'imported': imported})
    except Exception as e:
        return jsonify({'error': str(e)}), 400

# Send ONE to Trello
@app.route('/api/trello/send_one/<int:id>', methods=['POST'])
def send_one(id):
    conn = get_db()
    c = conn.cursor()
    c.execute("SELECT value FROM config WHERE key='trello'")
    trello_row = c.fetchone()
    if not trello_row:
        conn.close()
        return jsonify({'error': 'Config Trello manquante'}), 400
    
    import json
    t = json.loads(trello_row[0])
    if not t.get('api_key') or not t.get('token') or not t.get('list_id'):
        conn.close()
        return jsonify({'error': 'Config Trello incomplète'}), 400
    
    c.execute('SELECT * FROM depenses WHERE id=?', (id,))
    d = c.fetchone()
    if not d:
        conn.close()
        return jsonify({'error': 'Dépense non trouvée'}), 404
    
    if d['status'] == 'Envoyé ✅':
        conn.close()
        return jsonify({'error': 'Déjà envoyé'}), 400
    
    # Generate text
    c.execute("SELECT value FROM config WHERE key='format'")
    format_row = c.fetchone()
    template = format_row[0] if format_row else '{prenom} - {date} - {libelle} - {montant}€'
    
    ddate = d['date'] or ''
    if ddate:
        ddate = '/'.join(ddate.split('-')[::-1])
    
    line = template
    line = line.replace('{prenom}', d['prenom'] or '')
    line = line.replace('{date}', ddate)
    line = line.replace('{libelle}', d['libelle'] or '')
    line = line.replace('{montant}', str(d['montant']))
    
    # Send to Trello
    url = 'https://api.trello.com/1/cards'
    params = {
        'key': t.get('api_key'),
        'token': t.get('token'),
        'idList': t.get('list_id'),
        'name': line,
        'desc': line
    }
    
    try:
        r = requests.post(url, params=params)
        if r.status_code == 200:
            c.execute('UPDATE depenses SET status=? WHERE id=?', ('Envoyé ✅', id))
            conn.commit()
            conn.close()
            return jsonify({'success': True})
        conn.close()
        return jsonify({'error': r.text}), r.status_code
    except Exception as e:
        conn.close()
        return jsonify({'error': str(e)}), 500

# Generate text (all)
@app.route('/api/generate', methods=['POST'])
def generate_text():
    conn = get_db()
    c = conn.cursor()
    c.execute("SELECT value FROM config WHERE key='format'")
    format_row = c.fetchone()
    template = format_row[0] if format_row else '{prenom} - {date} - {libelle} - {montant}€'
    conn.close()
    
    data = request.json
    lines = []
    for d in data.get('depenses', []):
        line = template
        ddate = d.get('date', '') or ''
        if ddate:
            ddate = '/'.join(ddate.split('-')[::-1])
        line = line.replace('{prenom}', d.get('prenom', ''))
        line = line.replace('{date}', ddate)
        line = line.replace('{libelle}', d.get('libelle', ''))
        line = line.replace('{montant}', str(d.get('montant', 0)))
        lines.append(line)
    return jsonify({'text': '\n'.join(lines)})

# Add prenom
@app.route('/api/prenom/add', methods=['POST'])
def add_prenom():
    conn = get_db()
    c = conn.cursor()
    prenom = request.form.get('prenom', '').strip()
    if prenom:
        try:
            c.execute('INSERT INTO prenoms (name) VALUES (?)', (prenom,))
            conn.commit()
        except:
            pass
    conn.close()
    return redirect('/?page=config')

# Del prenom
@app.route('/api/prenom/del/<int:idx>')
def del_prenom(idx):
    conn = get_db()
    c = conn.cursor()
    c.execute('DELETE FROM prenoms WHERE id=?', (idx+1,))
    conn.commit()
    conn.close()
    return redirect('/?page=config')

# Save format
@app.route('/api/format', methods=['POST'])
def save_format():
    conn = get_db()
    c = conn.cursor()
    format_val = request.form.get('format', '{prenom} - {date} - {libelle} - {montant}€')
    c.execute('INSERT OR REPLACE INTO config (key, value) VALUES (?, ?)', ('format', format_val))
    conn.commit()
    conn.close()
    return redirect('/?page=config')

# Save trello config
@app.route('/api/trello/save', methods=['POST'])
def save_trello():
    import json
    conn = get_db()
    c = conn.cursor()
    t = json.dumps({
        'api_key': request.form.get('api_key', ''),
        'token': request.form.get('token', ''),
        'list_id': request.form.get('list_id', '')
    })
    c.execute('INSERT OR REPLACE INTO config (key, value) VALUES (?, ?)', ('trello', t))
    conn.commit()
    conn.close()
    return redirect('/?page=config')

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8769, debug=False)