# Author: @MarkK
# Date: 2023-03-18
# Description: A program that user can use for comfy interaction with the dataset (edit/add/delete).

import csv
import re
import sys
import os

# welcome message and list of available commands
print("""
 __          __  _                           
 \ \        / / | |                          
  \ \  /\  / /__| | ___ ___  _ __ ___   ___  
   \ \/  \/ / _ \ |/ __/ _ \| '_ ` _ \ / _ \ 
    \  /\  /  __/ | (_| (_) | | | | | |  __/ 
     \/  \/ \___|_|\___\___/|_| |_| |_|\___| 
                                                                                       
Welcome to Dataset-tool!
""")

print("Available commands:")
print("- del (delete the last row from 'dataset.csv')")
print("- showXXXX (print the XXXX row inside 'dataset.csv')")
print("- last (print the last row from 'dataset.csv')")
print("- set:XXXX (set EP_ID)")
print("Usage: Enter a multi-line text string + Hit Enter + Hit Ctrl+D to extract data and import it inside dataset")
print("Usage: Enter a command + Hit Enter + Hit Ctrl+D to execute command")
print()


# list of known speakers
known_speakers = (["All", "Anchovy", "BarnacleBoy", "Both", "BubbleBass", "ClamHeadCandyCad", "Crowd",
                   "Customer", "Fred", "Fireman", "Gary", "guy", "Karen", "Krabs", "Larry", "Loser", "MermaidMan",
                   "Montage", "MrsSquarePants", "MrSquarePants", "Morty", "NematodeOne", "Nematodes", "Narrator",
                   "OrangeCafeteriaWorker", "Pants", "Patrick", "PatrickBubble", "Phil", "Plankton", "Pearl",
                   "Puff", "Sandy", "Scooter", "ShadyShoalsCaretaker", "SpongeBob", "SpongeBobBubble",
                   "Squidward", "SquidwardBubble", "SwordfishTrucker", "TVAnnouncer", "UnknownElderlyFish"]
)
ep_id = "x"

# loop the program
while True:

    # take input from user
    print("Enter a text string or a command: ")
    input_string = sys.stdin.read()

    # check if input is a command
    if input_string.startswith("set"):
        index = input_string[4:]
        ep_id = index
        print("Set index: ", ep_id) 
    elif input_string.startswith("last"):
        try:
            with open("dataset.csv", mode="r") as file:
                lines = file.readlines()
                if len(lines) > 0:
                    row = lines[-1].strip().split(";")
                    print(f"Last row: {row[0]}: {row[1]}")
                else:
                    print("Error: dataset is empty.")
        except IOError:
            print("Error: could not open dataset.csv.")
    elif input_string.startswith("del"):
        try:
            with open("dataset.csv", mode="r") as file:
                lines = file.readlines()
                if len(lines) > 0:
                    row = lines[-1].strip().split(";")
                    with open("dataset.csv", mode="w") as file:
                        file.writelines(lines[:-1])
                    print(f"Deleted row: {row[0]}: {row[1]}")
                else:
                    print("Error: dataset is empty.")
        except IOError:
            print("Error: could not open dataset.csv.")
    elif input_string.startswith("show"):
        try:
            index = int(input_string[4:])
            with open("dataset.csv", mode="r") as file:
                reader = csv.reader(file, delimiter=";")
                rows = list(reader)
                if index >= 0 and index < len(rows):
                    row = rows[index]
                    print(f"Speaker: {row[0]}\nReplica: {row[1]}\n")
                else:
                    print("Error: invalid row index.")
        except ValueError:
            print("Error: invalid row index.")
        except IOError:
            print("Error: could not open dataset.csv.")
    else:
        num_lines = input_string.count('\n')
        if num_lines > 1:
            lines = input_string.split("\n")
            lines.pop()
            for line in lines:
                # extract speaker and replica from input string
                match = re.match(r"([A-Za-z ]+):\s*(.*)", line)
                if match:
                    speaker = match.group(1)
                    replica = match.group(2)
                    if speaker not in known_speakers or speaker is None:
                        speaker = "{system}"
                    if speaker == "Krabs":
                        speaker = "Mr. Krabs"
                    if speaker == "Puff":
                        speaker = "Mrs. Puff"
                    if speaker == "MrsSquarePants":
                        speaker = "Mrs. SquarePants"
                    if speaker == "MrSquarePants":
                        speaker = "Mr. SquarePants"
                    if speaker == "driver":
                        speaker = "Bus driver"
                    if speaker == "Narrator":
                        speaker = "French Narrator"
                    if speaker == "guy":
                        speaker = "Sports guy"
                else:
                    match = re.search(r"I(\d+):\s*(.*)", line)
                    if match:
                        speaker = f"Incidental {match.group(1)}"
                        replica = match.group(2)
                    elif line.startswith("["):
                        speaker = "{system}"
                        replica = line
                    else:
                        print("Error: Could not extract speaker and replica from line.")
                        speaker = "Error: Could not extract speaker and replica from line."
                        replica = "Error: Could not extract speaker and replica from line."
                    
                # write to dataset.csv file
                try:
                    with open("dataset.csv", mode="a", newline="") as file:
                        writer = csv.writer(file, delimiter=";", quotechar=" ")
                        writer.writerow([speaker, replica, ep_id])

                    # print the result
                    print(f"Speaker: {speaker}\nReplica: {replica}\n")
                except PermissionError:
                    print("PermissionError while opening file.\n")
                except UnicodeEncodeError:
                    print("UnicodeEncodeError while opening file.\n")
                    speaker = "Error: UnicodeEncodeError while opening file."
                    replica = "Error: UnicodeEncodeError while opening file."
        else:
            # extract speaker and replica from input string
            match = re.match(r"([A-Za-z ]+):\s*(.*)", input_string)
            if match:
                speaker = match.group(1)
                replica = match.group(2)
                if speaker not in known_speakers or speaker is None:
                    speaker = "{system}"
                if speaker == "Krabs":
                    speaker = "Mr. Krabs"
                if speaker == "Puff":
                    speaker = "Mrs. Puff"
                if speaker == "driver":
                    speaker = "Bus driver"
                if speaker == "Narrator":
                    speaker = "French Narrator"
                if speaker == "guy":
                    speaker = "Sports guy"
            else:
                match = re.search(r"I(\d+):\s*(.*)", input_string)
                if match:
                    speaker = f"Incidental {match.group(1)}"
                    replica = match.group(2)
                elif input_string.startswith("["):
                    speaker = "{system}"
                    replica = input_string
                else:
                    print("Error: Could not extract speaker and replica from input string.")
                    continue

            # write to dataset.csv file
            try:
                with open("dataset.csv", mode="a", newline="") as file:
                    writer = csv.writer(file, delimiter=";", quotechar=" ")
                    writer.writerow([speaker, replica, ep_id])

                # print the result
                print(f"Speaker: {speaker}\nReplica: {replica}\n")
            except PermissionError:
                print("PermissionError while opening file.\n")