#!/bin/python3
#########################
#
# timeTrack.py
# by 4nima
# v.0.1
#
#########################
# simple time tracking with database 
#########################

import datetime
import sqlite3
import json
import os
import logging

class TimeTrack:
    def __init__(self, DATABASE='timetrack.db', CONFIG='timetrack.conf'):
        self.DATABASE   = DATABASE
        self.CONFIG     = CONFIG
        self.USER       = 0
        self.LOGFILE    = 'timetrack.log'
        logging.basicConfig(filename=self.LOGFILE,
            level=logging.DEBUG, 
            format='%(asctime)s - %(process)d-%(levelname)s: %(message)s',
            datefmt='%Y-%m-%d %H:%M:%S'
        )
        self.load_config()
        self.db_setup()

    ## Läd oder erstellt das config file
    def load_config(self):
        if os.path.isfile(self.CONFIG):
            logging.info('Config file found')
            try:
                with open(self.CONFIG) as config_data:
                    data = json.load(config_data)
            except ValueError:
                logging.error('Config file has no valid JSON syntax')
                print('TimeTrack wird beendet. Fehler in der JSON-Konfig')
                quit()
            else:
                logging.info('Config file loaded successfully')
                self.USER = data['user']
        
        else:
            logging.info('Config file not found')
            ##> ausgabe nicht in einer zeile
            config = {
                'user' : 1, 
                'default' : 'interactive'
            }

            ##> logging erweitert falls nicht möglich
            with open(self.CONFIG, "w") as outfile:
                json.dump(config, outfile)
                logging.info('config file successfully created')

    def db_setup(self):
        if os.path.isfile(self.DATABASE):
            logging.info('DB was found')
        else:
            logging.info('DB not found, create new')
        
        sql = []
        sql.append("""
            CREATE TABLE IF NOT EXISTS time_entries (
                id INTEGER PRIMARY KEY AUTOINCREMENT,
                starttime DATETIME NOT NULL,
                endtime DATETIME NOT NULL,
                user_id INTEGER NOT NULL,
                activity TEXT,
                catrgory_id INTEGER,
                client_id INTEGER,
                lock BOOLEAN
            )
        """)

        sql.append("""
            CREATE TABLE IF NOT EXISTS active_events (
                id INTEGER PRIMARY KEY AUTOINCREMENT,
                starttime DATETIME NOT NULL,
                user_id INT NOT NULL
            )
        """)

        sql.append("""
            CREATE TABLE IF NOT EXISTS users (
                id INTEGER PRIMARY KEY AUTOINCREMENT,
                name TEXT NOT NULL,
                worktime INT,
                worktime_span INT
            )
        """)

        sql.append("""
            CREATE TABLE IF NOT EXISTS clients (
                id INTEGER PRIMARY KEY AUTOINCREMENT,
                name TEXT NOT NULL
            )
        """)

        sql.append("""
            CREATE TABLE IF NOT EXISTS categories (
                id INTEGER PRIMARY KEY AUTOINCREMENT,
                name TEXT NOT NULL
            )
        """)

        connect = sqlite3.connect(self.DATABASE)
        cursor = connect.cursor()
        for SQL in sql:
            logging.debug('Run SQL')
            try:
                cursor.execute(SQL)
            except:
                logging.error('Fail to execute SQL command')
                logging.debug(SQL)
            else:
                logging.info('Success execute SQL command')
                connect.commit
                connect.close()


    ##> Kürzer möglich ?
    def db_connect(self, SQL, DATA=''):
        pass

    def create_user(self, USER=''):
        if USER == '':
            username = input('Enter your Name: ')
        else:
            username = USER

        while self.get_users(NAME=username):
            print('Name ist schon vergeben')
            username = input('Wähle einen anderen Namen: ')

        connect = sqlite3.connect(self.DATABASE)
        cursor = connect.cursor()

        sql = "INSERT INTO users ( name ) values ( ? )"

        try:
            cursor.execute(sql, [username])
        except:
            logging.error('Fail to execute SQL command')
            logging.debug(sql)
        else:
            logging.info('Success execute SQL command')
            connect.commit()
            connect.close()

    ##> verbugt noch nicht funktional
    def get_users(self, UID=0, NAME=''):
        if not UID == 0:
            logging.info('UID Used')
            data = UID
            sql = "SELECT name FROM users WHERE id = ?"
        elif not NAME == '':
            logging.info('NAME used')
            data = NAME
            sql = "SELECT name FROM users WHERE name = ?"
        else:
            logging.info('nothing used')
            data = ''
            sql = "SELECT * FROM users"
        
        connect = sqlite3.connect(self.DATABASE)
        cursor = connect.cursor()

        try:
            if data:
                cursor.execute(sql, [data])
            else:
                cursor.execute(sql)
                
        except:
            logging.error('Fail to execute SQL command')
            logging.debug(sql)
        else:
            logging.info('Success execute SQL command')
            connect.commit()

        row = cursor.fetchall()
        output = []
        for data in row:
            print(data)
            output.append(data)
        connect.close()
        return output

    def set_user(self):
        pass


test = TimeTrack()
test.create_user()
#test.get_users(NAME=input('Test:'))