#!/usr/bin/env python
# -*- coding: utf-8

import math
from flask import Flask, request, session, g, redirect, url_for, abort, render_template, flash
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
app.config.from_pyfile('config.py')
app.secret_key = app.config.get('446307a5f61c2bb810436b2ee0f903f2')
app.debug = True
app.static_url_path='/static'
db = SQLAlchemy(app)

class Stock_users(db.Model):
  id = db.Column(db.Integer, primary_key=True)
  mail = db.Column(db.Text, nullable=False)
  password = db.Column(db.Text, nullable=False)
  name = db.Column(db.Text, nullable=False)

class Stock_componants(db.Model):
  id = db.Column(db.Integer, primary_key=True)
  reference = db.Column(db.Text, nullable=False)
  designation = db.Column(db.Text, nullable=False)
  last_price = db.Column(db.Float)
  mean_price = db.Column(db.Float)
  quantity = db.Column(db.Integer)
  min_quantity = db.Column(db.Integer)
  place = db.Column(db.Text, nullable=False)
  provider_id = db.Column(db.Integer, nullable=False)

class Stock_providers(db.Model):
  id = db.Column(db.Integer, primary_key=True)
  name = db.Column(db.Text, nullable=False)
  address = db.Column(db.Text)
  url = db.Column(db.Text)
  comment = db.Column(db.Text)

class Stock_kits(db.Model):
  id = db.Column(db.Integer, primary_key=True)
  name = db.Column(db.Text, nullable=False)
  description = db.Column(db.Text, nullable=False)

class Stock_kit_compositions(db.Model):
  id = db.Column(db.Integer, primary_key=True)
  kit_id = db.Column(db.Integer, db.ForeignKey('Stock_kits.id'), nullable=False)
  component_id = db.Column(db.Integer, db.ForeignKey('Stock_componants.id'), nullable=False)
  component_quantity = db.Column(db.Integer, nullable=False)

@app.errorhandler(404)
def page_not_found(e):
    return render_template('error.html'), 404

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


########################################################################
# Componants
########################################################################
@app.route('/componants', methods=['GET', 'POST'])
def get_componants():
  limit = 16
  offset = 0
  sort = 'reference'
  order = 'asc'
  norder = 'desc'
  print '*', sort
  if len(request.args):
    if 'offset' in request.args:
      offset = request.args['offset']
    if 's' in request.args:
      sort = request.args['s']
    if 'o' in request.args:
      order = request.args['o']
  try:
    offset = int(offset)
  except ValueError:
    offset = 0
  row_count = db.session.query(Stock_componants.id).count()
  page_count = int(math.ceil(row_count / float(limit)))
  page = int(math.ceil(float(offset + 1) / float(limit)))
  nexthop = offset + limit
  if nexthop > row_count - 1:
    nexthop = offset
  prevhop = offset - limit
  if prevhop < 0:
    prevhop = 0
  if order == 'asc':
    norder = 'desc'
    componants = Stock_componants.query.order_by(getattr(Stock_componants, sort)).offset(offset).limit(limit).all()
  else:
    norder = 'asc'
    componants = Stock_componants.query.order_by(getattr(Stock_componants, sort).desc()).offset(offset).limit(limit).all()
  return render_template('componants.html',
                            componants=componants,
                            offset=offset,
                            nexthop=nexthop,
                            prevhop=prevhop,
                            page_count=page_count,
                            page=page,
                            sort=sort,
                            order=order,
                            norder=norder)

@app.route('/componants/<componant_id>')
def get_componant(componant_id):
  try:
    componant_id = int(componant_id)
  except ValueError as e:
    return render_template('error.html'), 404
  componant = Stock_componants.query.filter_by(id=componant_id).first()
  if componant:
    providers = Stock_providers.query.order_by(Stock_providers.name).all()
    provider = componant.provider_id
    provider = Stock_providers.query.filter_by(id=provider).first()
    return render_template('componant.html', componant=componant, providers=providers, provider=provider)
  return render_template('error.html'), 404

@app.route('/componants/delete/<componant_id>')
def delete_componant(componant_id):
  try:
    componant_id = int(componant_id)
  except ValueError as e:
    return render_template('error.html'), 404
  Stock_componants.query.filter_by(id=componant_id).delete()
  db.session.commit()
  return get_componants()

@app.route('/componants/new/<componant_id>')
def add_componant(componant_id):
  return render_template('wip.html')

@app.route('/componants/in/<componant_id>')
def in_componants():
  return render_template('wip.html')

@app.route('/componants/out/<componant_id>')
def out_componants():
  return render_template('wip.html')

@app.route('/componant/update/<componant_id>', methods=['POST'])
def update_componants(componant_id):
  field = request.form['field']
  value = request.form['value']
  if field and value:
    try:
      componant = Stock_componants.query.filter_by(id=componant_id).first()
      setattr(componant, field, value)
      db.session.commit()
    except Exception as e:
      return 'KO'
  return 'OK'


########################################################################
# Kits
########################################################################
@app.route('/kits')
def get_kits():
  return render_template('kits.html')

@app.route('/kits/<kit_id>')
def get_kit(kit_id):
  return render_template('wip.html')

@app.route('/kits/add/<kit_id>')
def add_kit(kit_id):
  return render_template('wip.html')

@app.route('/kits/edit/<kit_id>')
def edit_kit(kit_id):
  return render_template('wip.html')

@app.route('/kits/delete/<kit_id>')
def delete_kit(kit_id):
  return render_template('wip.html')

@app.route('/kits/search')
def search_kits():
  return render_template('wip.html')
  
########################################################################
# Providers
########################################################################
@app.route('/providers')
def get_providers():
  return render_template('providers.html')

@app.route('/providers/<provider_id>')
def get_provider(provider_id):
  return render_template('wip.html')

@app.route('/providers/add/<provider_id>')
def add_provider(provider_id):
  return render_template('wip.html')

@app.route('/providers/edit/<provider_id>')
def edit_provider(provider_id):
  return render_template('wip.html')

@app.route('/providers/delete/<provider_id>')
def delete_provider(provider_id):
  return render_template('wip.html')

@app.route('/providers/search')
def search_providers():
  return render_template('wip.html')

########################################################################
# Users
########################################################################
@app.route('/users')
def get_users():
  return render_template('wip.html')

@app.route('/users/<user_id>')
def get_user(user_id):
  return render_template('wip.html')

@app.route('/users/add/<user_id>')
def add_user(user_id):
  return render_template('wip.html')

@app.route('/users/edit/<user_id>')
def edit_user(user_id):
  return render_template('wip.html')

@app.route('/users/delete/<user_id>')
def delete_user(user_id):
  return render_template('wip.html')

@app.route('/users/search')
def search_users():
  return render_template('wip.html')

##############################################

def get_distinct(query):
  results = []
  for result in query:
    result = result[0]
    if result not in results:
      results.append(result)
  return results

# Main #######################################

if __name__ == '__main__':
  app.run()