#!/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):
        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
            )
        """)
        self.db_connect(sql)

    ##> Kürzer möglich ?
    def db_connect(self, SQL, DATA=''):
        if os.path.isfile(self.DATABASE):
            logging.info('DB was found')
        else:
            logging.info('DB not found, create new')

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

        if isinstance(SQL, list):
            logging.info('Multible SQL commands found')
            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
        
        else:
            logging.info('Single SQL command found')
            sql = SQL
            if DATA == '':
                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()
            
            else:
                logging.info('Data found')
                data = DATA
                if isinstance(DATA, list):
                    logging.debug('Data is list')
                    if isinstance(DATA[0], list):
                        try:
                            cursor.executemany(sql, data)
                        except:
                            logging.error('Fail to execute SQL command')
                            logging.debug(sql)
                        else:
                            logging.info('Success execute SQL command')
                            logging.debug(sql)
                            connect.commit()     
                    else:
                        try:
                            cursor.execute(sql, data)
                        except:
                            logging.error('Fail to execute SQL command')
                            logging.debug(sql)
                        else:
                            logging.info('Success execute SQL command')
                            logging.debug(sql)
                            connect.commit()     

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

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

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

        sql = """
            INSERT INTO users (
                name
            ) values (
                ?
            )
        """
        self.db_connect(sql, data)
        pass
    
    ##> verbugt noch nicht funktional
    def get_users(self, UID=0, NAME=''):
        data = input('User ID: ')
        if UID == 0:
            sql = [
                """
                    SELET id, name FROM users
                """
            ]
        else:
            sql = [
                """
                    SELET id, name FROM users WHERE id=?
                """
            ]
        print(self.db_connect(sql))

    def set_user(self):
        pass


test = TimeTrack()
#test.create_user()
test.get_users()