#!/usr/bin/env python

import json
import pandas as pd
import sqlite3


def load_file(filename):
    with open(filename) as f:
        nomie_data = json.load(f)
    return nomie_data


def get_dataframe(nomie_data):
    return pd.DataFrame(nomie_data["events"])


# generate a yes/no cli question with a default answer
def confirmation_question(question, default_no=True):
    choices = " [y/N]: " if default_no else " [Y/n]: "
    default_answer = "n" if default_no else "y"
    reply = str(input(question + choices)).lower().strip() or default_answer
    if reply[0] == "y":
        return True
    if reply[0] == "n":
        return False
    else:
        return False if default_no else True


# display stats and ask user to confirm if they seem okay
def verify_continue(data):
    trackers = ""
    for t in data["trackers"]:
        trackers += t + ", "
    print(f"Found trackers: {trackers}")
    print(f"with {len(data['events'])} event entries.")
    if not confirmation_question("Do you want to continue?", default_no=False):
        print("Aborted.")
        exit(0)


def create_database(name):
    return sqlite3.connect(name)


def create_loop_tables(db):
    c = db.cursor()
    c.execute(
        """ CREATE TABLE IF NOT EXISTS Habits (
                                        id integer PRIMARY KEY,
                                        archived integer,
                                        color integer,
                                        description text,
                                        freq_den integer,
                                        freq_num integer,
                                        highlight integer,
                                        name text NOT NULL,
                                        position integer,
                                        reminder_hour integer,
                                        reminder_min integer,
                                        reminder_days integer,
                                        type integer,
                                        target_type integer,
                                        target_value real,
                                        unit text,
                                        question text,
                                        uuid text NOT NULL
                                    ); """
    )
    c.execute(
        """ CREATE TABLE IF NOT EXISTS Repetitions (
                                        id integer PRIMARY KEY,
                                        habit integer,
                                        timestamp integer,
                                        value integer
                                    ); """
    )


if __name__ == "__main__":
    # load nomie json
    nomie_data = load_file("input.json")
    # DISABLED FOR DEBUGGING
    verify_continue(nomie_data)

    # bring up dataframe
    df = get_dataframe(nomie_data)

    # prep sqlite database
    db = create_database("output.db")
    create_loop_tables(db)