# Libraries
import json, os, re, textwrap, threading, time, traceback, tiktoken, openai
from pathlib import Path
from colorama import Fore
from dotenv import load_dotenv
from retry import retry
from tqdm import tqdm

# Open AI
load_dotenv()
if os.getenv('api').replace(' ', '') != '':
    openai.base_url = os.getenv('api')
openai.organization = os.getenv('org')
openai.api_key = os.getenv('key')

#Globals
MODEL = os.getenv('model')
TIMEOUT = int(os.getenv('timeout'))
LANGUAGE = os.getenv('language').capitalize()
PROMPT = Path('prompt.txt').read_text(encoding='utf-8')
VOCAB = Path('vocab.txt').read_text(encoding='utf-8')
THREADS = int(os.getenv('threads'))
LOCK = threading.Lock()
WIDTH = int(os.getenv('width'))
LISTWIDTH = int(os.getenv('listWidth'))
NOTEWIDTH = 70
MAXHISTORY = 10
ESTIMATE = ''
TOKENS = [0, 0]
NAMESLIST = []
NAMES = False    # Output a list of all the character names found
BRFLAG = False   # If the game uses <br> instead
FIXTEXTWRAP = True  # Overwrites textwrap
IGNORETLTEXT = False    # Ignores all translated text.
MISMATCH = []   # Lists files that throw a mismatch error (Length of GPT list response is wrong)

#tqdm Globals
BAR_FORMAT='{l_bar}{bar:10}{r_bar}{bar:-10b}'
POSITION = 0
LEAVE = False

# Pricing - Depends on the model https://openai.com/pricing
# Batch Size - GPT 3.5 Struggles past 15 lines per request. GPT4 struggles past 50 lines per request
# If you are getting a MISMATCH LENGTH error, lower the batch size.
if 'gpt-3.5' in MODEL:
    INPUTAPICOST = .002 
    OUTPUTAPICOST = .002
    BATCHSIZE = 10
elif 'gpt-4' in MODEL:
    INPUTAPICOST = .01
    OUTPUTAPICOST = .03
    BATCHSIZE = 1

def handleAlice(filename, estimate):
    global ESTIMATE
    totalTokens = [0,0]
    ESTIMATE = estimate

    if estimate:
        start = time.time()
        translatedData = openFiles(filename)

        # Print Result
        end = time.time()
        tqdm.write(getResultString(translatedData, end - start, filename))
        with LOCK:
            totalTokens[0] += translatedData[1][0]
            totalTokens[1] += translatedData[1][1]

        # Print Total
        totalString = getResultString(['', totalTokens, None], end - start, 'TOTAL')

        # Print any errors on maps
        if len(MISMATCH) > 0:
            return totalString + Fore.RED + f'\nMismatch Errors: {MISMATCH}' + Fore.RESET
        else:
            return totalString
    
    else:
        try:
            with open('translated/' + filename, 'w', encoding='UTF-8') as outFile:
                start = time.time()
                translatedData = openFiles(filename)

                # Print Result
                end = time.time()
                outFile.writelines(translatedData[0])
                tqdm.write(getResultString(translatedData, end - start, filename))
                with LOCK:
                    totalTokens[0] += translatedData[1][0]
                    totalTokens[1] += translatedData[1][1]
        except Exception as e:
            traceback.print_exc()
            return 'Fail'

    return getResultString(['', totalTokens, None], end - start, 'TOTAL')

def openFiles(filename):
    with open('files/' + filename, 'r', encoding='UTF-8') as f:
        translatedData = parseText(f, filename)
    
    return translatedData

def getResultString(translatedData, translationTime, filename):
    # File Print String
    totalTokenstring =\
        Fore.YELLOW +\
        '[Input: ' + str(translatedData[1][0]) + ']'\
        '[Output: ' + str(translatedData[1][1]) + ']'\
        '[Cost: ${:,.4f}'.format((translatedData[1][0] * .001 * INPUTAPICOST) +\
        (translatedData[1][1] * .001 * OUTPUTAPICOST)) + ']'
    timeString = Fore.BLUE + '[' + str(round(translationTime, 1)) + 's]'

    if translatedData[2] == None:
        # Success
        return filename + ': ' + totalTokenstring + timeString + Fore.GREEN + u' \u2713 ' + Fore.RESET

    else:
        # Fail
        try:
            raise translatedData[2]
        except Exception as e:
            traceback.print_exc()
            errorString = str(e) + Fore.RED
            return filename + ': ' + totalTokenstring + timeString + Fore.RED + u' \u2717 ' +\
                errorString + Fore.RESET
        
def parseText(data, filename):
    # Get total for progress bar
    linesList = data.readlines()
    totalTokens = [0, 0]
    totalLines = len(linesList)
    global LOCK
    
    with tqdm(bar_format=BAR_FORMAT, position=POSITION, total=totalLines, leave=LEAVE) as pbar:
        pbar.desc=filename
        pbar.total=totalLines
        try:
            result = translateLines(linesList, pbar)
            totalTokens[0] += result[1][0]
            totalTokens[1] += result[1][1]
        except Exception as e:
            traceback.print_exc()
            return [linesList, totalTokens, e]
    return [linesList, totalTokens, None]

# Grab scenario data from text file
def translateLines(linesList, pbar):
    currentGroup = []
    batch = []
    textHistory = []
    tokens = [0, 0]
    batchStartIndex = 0
    insertBool = False
    multiLine = False
    i = 0

    try:
        while i < len(linesList):
            # Check if Proper Message
            match = re.findall(r's\[[0-9]+\] = \"(.*)\"', linesList[i])
            if len(match) > 0:
                jaString = match[0]

                # Skip Files
                if '／' in jaString:
                    i += 1
                    continue

                ### Translate
                # Remove any textwrap
                jaString = re.sub(r'\\n', ' ', jaString)

                # Grab Speaker
                speakerMatch = re.findall(r's\[[0-9]+\] = \"([^／]+)\"', linesList[i-1])
                if len(speakerMatch) > 0:
                    # If there isn't any Japanese in the text just skip
                    if re.search(r'[一-龠]+|[ぁ-ゔ]+|[ァ-ヴー]+', jaString) and '_' not in speakerMatch[0]:
                        speaker = speakerMatch[0]
                    else:
                        speaker = ''
                else:
                    speaker = ''

                # Grab rest of the messages
                currentGroup.append(jaString)

                # Check if next line should be merged
                if insertBool is True:
                    linesList[i] = re.sub(r'(s\[[0-9]+\]) = \"(.+)\"', rf'\1 = ""', linesList[i])
                    linesList[i] = linesList[i].replace(';', '')
                start = i
                while (len(linesList) > i+1 and re.search(r's\[[0-9]+\] = \"\s+(.*)\"', linesList[i+1]) != None):
                    multiLine = True
                    i += 1
                    match = re.findall(r's\[[0-9]+\] = \"\s+(.*)\"', linesList[i])
                    currentGroup.append(match[0])
                    if insertBool is True:
                        linesList[i] = re.sub(r'(s\[[0-9]+\]) = \"\s+(.+)\"', rf'\1 = ""', linesList[i])
                        linesList[i] = linesList[i].replace(';', '')
                i += 1

                # Combine Groups and Add Speaker
                finalJAString = ' '.join(currentGroup)
                if speaker != '':
                    finalJAString = f'{speaker}: {finalJAString}'
                else:
                    finalJAString = f'{finalJAString}'

                # [Passthrough 1] Pulling From File
                if insertBool is False:
                    # Append to List and Clear Values
                    batch.append(finalJAString)

                    # Translate Batch if Full
                    if len(batch) == BATCHSIZE or i >= len(linesList) - 1:
                        # Translate
                        response = translateGPT(batch, textHistory, True)
                        tokens[0] += response[1][0]
                        tokens[1] += response[1][1]
                        translatedBatch = response[0]
                        textHistory = translatedBatch[-10:]

                        # Set Values
                        if len(batch) == len(translatedBatch):
                            i = batchStartIndex
                            insertBool = True

                        # Mismatch
                        else:
                            pbar.write(f'Mismatch: {batchStartIndex} - {i}')
                            MISMATCH.append(batch)
                            batchStartIndex = i
                            batch.clear()

                    multiLine = False
                    currentGroup = []

                # [Passthrough 2] Setting Data
                else:
                    # Get Text
                    translatedText = translatedBatch[0]

                    # Remove added speaker and quotes
                    translatedText = re.sub(r'^.+?:\s', '', translatedText)

                    # Textwrap
                    translatedText = translatedText.replace('\"', '\\"')
                    translatedText = textwrap.fill(translatedText, width=WIDTH)

                    # Set Data
                    if multiLine:
                        textList = translatedText.split("\n")
                        for t in textList:
                            translatedText = translatedText.replace(';', '')
                            translatedText = re.sub(r'(s\[[0-9]+\]) = \"(.*)\"', rf'\1 = "{t}"', linesList[start])
                            translatedText = translatedText.replace(';', '')
                            linesList[start] = translatedText
                            pbar.update(1)
                            start += 1
                        multiLine = False
                        translatedText = translatedText.replace(';', '')
                        translatedBatch.pop(0)           
                    else:
                        # Remove any textwrap
                        translatedText = translatedText.replace('\n', ' ')
                        translatedText = re.sub(r'(s\[[0-9]+\]) = \"(.*)\"', rf'\1 = "{translatedText}"', linesList[start])
                        translatedText = translatedText.replace(';', '')
                        linesList[start] = translatedText
                        pbar.update(1)
                        translatedBatch.pop(0)     

                    # If Batch is empty. Move on.
                    if len(translatedBatch) == 0:
                        insertBool = False
                        batchStartIndex = i
                        pbar.update(1)
                        batch.clear()
                    
                    currentGroup = []
            else:
                if insertBool is True:
                    pbar.update(1)
                i += 1

        return [linesList, tokens]
    except Exception:
        traceback.print_exc()
        return [linesList, tokens]

def subVars(jaString):
    jaString = jaString.replace('\u3000', ' ')

    # Nested
    count = 0
    nestedList = re.findall(r'[\\]+[\w]+\[[\\]+[\w]+\[[0-9]+\]\]', jaString)
    nestedList = set(nestedList)
    if len(nestedList) != 0:
        for icon in nestedList:
            jaString = jaString.replace(icon, '{Nested_' + str(count) + '}')
            count += 1

    # Icons
    count = 0
    iconList = re.findall(r'[\\]+[iIkKwWaA]+\[[0-9]+\]', jaString)
    iconList = set(iconList)
    if len(iconList) != 0:
        for icon in iconList:
            jaString = jaString.replace(icon, '{Ascii_' + str(count) + '}')
            count += 1

    # Colors
    count = 0
    colorList = re.findall(r'[\\]+[cC]\[[0-9]+\]', jaString)
    colorList = set(colorList)
    if len(colorList) != 0:
        for color in colorList:
            jaString = jaString.replace(color, '{Color_' + str(count) + '}')
            count += 1

    # Names
    count = 0
    nameList = re.findall(r'[\\]+[nN]\[.+?\]+', jaString)
    nameList = set(nameList)
    if len(nameList) != 0:
        for name in nameList:
            jaString = jaString.replace(name, '{Noun_' + str(count) + '}')
            count += 1

    # Variables
    count = 0
    varList = re.findall(r'[\\]+[vV]\[[0-9]+\]', jaString)
    varList = set(varList)
    if len(varList) != 0:
        for var in varList:
            jaString = jaString.replace(var, '{Var_' + str(count) + '}')
            count += 1

    # Formatting
    count = 0
    formatList = re.findall(r'[\\]+[\w]+\[.+?\]', jaString)
    formatList = set(formatList)
    if len(formatList) != 0:
        for var in formatList:
            jaString = jaString.replace(var, '{FCode_' + str(count) + '}')
            count += 1

    # Put all lists in list and return
    allList = [nestedList, iconList, colorList, nameList, varList, formatList]
    return [jaString, allList]

def resubVars(translatedText, allList):
    # Fix Spacing and ChatGPT Nonsense
    matchList = re.findall(r'\[\s?.+?\s?\]', translatedText)
    if len(matchList) > 0:
        for match in matchList:
            text = match.strip()
            translatedText = translatedText.replace(match, text)

    # Nested
    count = 0
    if len(allList[0]) != 0:
        for var in allList[0]:
            translatedText = translatedText.replace('{Nested_' + str(count) + '}', var)
            count += 1

    # Icons
    count = 0
    if len(allList[1]) != 0:
        for var in allList[1]:
            translatedText = translatedText.replace('{Ascii_' + str(count) + '}', var)
            count += 1

    # Colors
    count = 0
    if len(allList[2]) != 0:
        for var in allList[2]:
            translatedText = translatedText.replace('{Color_' + str(count) + '}', var)
            count += 1

    # Names
    count = 0
    if len(allList[3]) != 0:
        for var in allList[3]:
            translatedText = translatedText.replace('{Noun_' + str(count) + '}', var)
            count += 1

    # Vars
    count = 0
    if len(allList[4]) != 0:
        for var in allList[4]:
            translatedText = translatedText.replace('{Var_' + str(count) + '}', var)
            count += 1
    
    # Formatting
    count = 0
    if len(allList[5]) != 0:
        for var in allList[5]:
            translatedText = translatedText.replace('{FCode_' + str(count) + '}', var)
            count += 1

    return translatedText

def batchList(input_list, batch_size):
    if not isinstance(batch_size, int) or batch_size <= 0:
        raise ValueError("batch_size must be a positive integer")
        
    return [input_list[i:i + batch_size] for i in range(0, len(input_list), batch_size)]

def createContext(fullPromptFlag, subbedT):
    characters = 'Game Characters:\n\
林つかさ (Tsukasa Hayashi) - Female\n\
山田美兎 (Miyato Yamada) - Female\n\
鈴木赤音 (Akane Suzuki) - Female\n\
佐藤莉伊南 (Riina Satou) - Female\n\
佐々木万梨美 (Marimi Sasaki) - Female\n\
渡辺登樹子 (Tokiko Watanabe) - Female\n\
桃乃夢 (Yume Momono) - Female\n\
吉浦美雪 (Miyuki Yoshiura) - Female\n\
三ツ門まあな (Maana Mitsukado) - Female\n\
モリー・ボイド (Molly Boyd) - Female\n\
オルガ・ブヤチッチ (Olga Buyachich) - Female\n\
アッチャラー ギッティ (Atchara Gitti) - Female\n\
'
    
    system = PROMPT if fullPromptFlag else \
        f'Output ONLY the {LANGUAGE} translation in the following format: `Translation: <{LANGUAGE.upper()}_TRANSLATION>`'
    user = f'{subbedT}'
    return characters, system, user

def translateText(characters, system, user, history):
    # Prompt
    msg = [{"role": "system", "content": system + characters}]

    # Characters
    msg.append({"role": "system", "content": characters})

    # History
    if isinstance(history, list):
        msg.extend([{"role": "assistant", "content": h} for h in history])
    else:
        msg.append({"role": "assistant", "content": history})
    
    # Content to TL
    msg.append({"role": "user", "content": f'{user}'})
    response = openai.chat.completions.create(
        temperature=0.1,
        frequency_penalty=0.1,
        model=MODEL,
        messages=msg,
    )
    return response

def cleanTranslatedText(translatedText, varResponse):
    placeholders = {
        f'{LANGUAGE} Translation: ': '',
        'Translation: ': '',
        'っ': '',
        '〜': '~',
        'ー': '-',
        'ッ': '',
        '。': '.',
        'Placeholder Text': ''
        # Add more replacements as needed
    }
    for target, replacement in placeholders.items():
        translatedText = translatedText.replace(target, replacement)

    translatedText = resubVars(translatedText, varResponse[1])
    if '\n' in translatedText:
        return [line for line in translatedText.split('\n') if line]
    else:
        return [line for line in translatedText.split('\\n') if line]

def extractTranslation(translatedTextList, is_list):
    pattern = r'<Line(\d+)>[\\]*`?(.*?)[\\]*?`?</?Line\d+>'
    # If it's a batch (i.e., list), extract with tags; otherwise, return the single item.
    if is_list:
        return [re.findall(pattern, line)[0][1] for line in translatedTextList if re.search(pattern, line)]
    else:
        matchList = re.findall(pattern, translatedTextList)
        return matchList[0][1] if matchList else translatedTextList

def countTokens(characters, system, user, history):
    inputTotalTokens = 0
    outputTotalTokens = 0
    enc = tiktoken.encoding_for_model(MODEL)
    
    # Input
    if isinstance(history, list):
        for line in history:
            inputTotalTokens += len(enc.encode(line))
    else:
        inputTotalTokens += len(enc.encode(history))
    inputTotalTokens += len(enc.encode(system))
    inputTotalTokens += len(enc.encode(characters))
    inputTotalTokens += len(enc.encode(user))

    # Output
    outputTotalTokens += round(len(enc.encode(user))/1.5)

    return [inputTotalTokens, outputTotalTokens]

def combineList(tlist, text):
    if isinstance(text, list):
        return [t for sublist in tlist for t in sublist]
    return tlist[0]

@retry(exceptions=Exception, tries=5, delay=5)
def translateGPT(text, history, fullPromptFlag):
    totalTokens = [0, 0]
    if isinstance(text, list):
        tList = batchList(text, BATCHSIZE)
    else:
        tList = [text]

    for index, tItem in enumerate(tList):
        # Before sending to translation, if we have a list of items, add the formatting
        if isinstance(tItem, list):
            payload = '\n'.join([f'<Line{i}>`{item}`</Line{i}>' for i, item in enumerate(tItem)])
            payload = payload.replace('``', '`Placeholder Text`')
            varResponse = subVars(payload)
            subbedT = varResponse[0]
        else:
            varResponse = subVars(tItem)
            subbedT = varResponse[0]

        # Things to Check before starting translation
        if not re.search(r'[一-龠ぁ-ゔァ-ヴーａ-ｚＡ-Ｚ０-９]+', subbedT):
            continue

        # Create Message
        characters, system, user = createContext(fullPromptFlag, subbedT)

        # Calculate Estimate
        if ESTIMATE:
            estimate = countTokens(characters, system, user, history)
            totalTokens[0] += estimate[0]
            totalTokens[1] += estimate[1]
            continue

        # Translating
        response = translateText(characters, system, user, history)
        translatedText = response.choices[0].message.content
        totalTokens[0] += response.usage.prompt_tokens
        totalTokens[1] += response.usage.completion_tokens

        # Formatting
        translatedTextList = cleanTranslatedText(translatedText, varResponse)
        if isinstance(tItem, list):
            extractedTranslations = extractTranslation(translatedTextList, True)
            tList[index] = extractedTranslations
            if len(tItem) != len(translatedTextList):
                mismatch = True     # Just here so breakpoint can be set
            history = extractedTranslations[-10:]  # Update history if we have a list
        else:
            # Ensure we're passing a single string to extractTranslation
            extractedTranslations = extractTranslation('\n'.join(translatedTextList), False)
            tList[index] = extractedTranslations

    finalList = combineList(tList, text)
    return [finalList, totalTokens]