#sparkytron 3000 plugin
import os
import time
from PIL import Image, PngImagePlugin
import io
import base64

import aiohttp
import asyncssh
from discord.ext import commands, tasks

class AsyncOpenAI(commands.Cog):

    def __init__(self, bot):
        self.bot = bot
        self.API_KEY = os.getenv("openai.api_key")
        self.working_dir = "tmp/open_ai/"
        self.data_dir = "data/open_ai/"
        self.folder_setup()

    def folder_setup(self):
        try:
            if not os.path.exists(self.working_dir):
                os.mkdir(self.working_dir)
            if not os.path.exists(self.data_dir):
                os.mkdir(self.data_dir)
        except:
            print("AsyncOpenAI failed to make directories")

    '''async def upload_sftp(local_filename, server_folder, server_filename):
        remotepath = server_folder + server_filename
        async with asyncssh.connect(os.getenv('ftp_server'), username=os.getenv('ftp_username'), password=os.getenv('ftp_password')) as conn:
            async with conn.start_sftp_client() as sftp:
                await sftp.put(local_filename, remotepath=remotepath)'''

    async def handle_error(self, error):
        print(error)
        current_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
        log_line = current_time + ': ' + str(error) + '\n'
        with open("databases/error_log.txt", 'a') as f:
            f.write(log_line)
        return error

    async def answer_question(self, topic, model="gpt-3.5-turbo"):
        headers = {
            'Content-Type': 'application/json',
            'Authorization': f'Bearer {os.getenv("openai.api_key")}',
        }

        data = {
            "model": model,
            "messages": [{"role": "user", "content": topic}]
        }

        url = "https://api.openai.com/v1/chat/completions"

        try:
            http_session = aiohttp.ClientSession()
            async with http_session.post(url, headers=headers, json=data) as resp:
                response_data = await resp.json()
                response = response_data['choices'][0]['message']['content']
                await http_session.close()
                return response

        except Exception as error:
            return await self.handle_error(error)

    @commands.command(
        description="Blog", 
        help="Adds your topic to the list of possible future blog topics. Usage: !suggest_blog (topic)", 
        brief="Suggest a blog topic"
        )
    async def blog(self, ctx, *args):
        message = ' '.join(args)
        if '\n' in message:
            await ctx.send("Send only one topic at a time.")
            return
        else:
            blogpost_file = "databases/blog_topics.txt"
            with open(blogpost_file, 'a') as f:
                f.writelines(message+'\n')
            await ctx.send("Saved suggestion!")

    @commands.command()
    async def generate_blog(self, ctx):
        start_time = time.time()
        topic = ''
        filename = "phixxy.com/ai-blog/index.html"
        with open(filename, 'r', encoding="utf-8") as f:
            html_data = f.read()
        current_time = time.time()
        current_struct_time = time.localtime(current_time)
        date = time.strftime("%B %d, %Y", current_struct_time)
        if date in html_data:
            print("I already wrote a blog post today!")
            return
        blogpost_file = "databases/blog_topics.txt"
        #blog_subscribers = ["276197608735637505","242018983241318410"]
        if os.path.isfile(blogpost_file):
            with open(blogpost_file, 'r') as f:
                blogpost_topics = f.read()
                f.seek(0)
                topic = f.readline()
                blogpost_topics = blogpost_topics.replace(topic, '')
            with open(blogpost_file, 'w') as f:
                f.write(blogpost_topics)
        if topic != '':
            print("Writing blogpost")
        else:
            print("No topic given for blogpost, generating one.")
            topic = await self.answer_question("Give me one topic for an absurd blogpost.")
            
        
        post_div = '''<!--replace this with a post-->
                <div class="post">
                    <h2 class="post-title"><!--POST_TITLE--></h2>
                    <p class="post-date"><!--POST_DATE--></p>
                    <div class="post-content">
                        <!--POST_CONTENT-->
                    </div>
                </div>'''
        title_prompt = 'generate an absurd essay title about ' + topic
        title = await self.answer_question(title_prompt, model="gpt-3.5-turbo")
        prompt = 'Write a satirical essay with a serious tone titled: "' + title + '". Do not label parts of the essay.'
        content = await self.answer_question(prompt, model="gpt-4")
        if title in content[:len(title)]:
            content = content.replace(title, '', 1)
        content = f"<p>{content}</p>"
        content = content.replace('\n\n', "</p><p>")
        content = content.replace("<p></p>", '')

        post_div = post_div.replace("<!--POST_TITLE-->", title)
        post_div = post_div.replace("<!--POST_DATE-->", date)
        post_div = post_div.replace("<!--POST_CONTENT-->", content)
        
        html_data = html_data.replace("<!--replace this with a post-->", post_div)
        with open(filename, 'w', encoding="utf-8") as f:
            f.write(html_data)
        await self.upload_sftp(filename, (os.getenv('ftp_public_html') + 'ai-blog/'), "index.html")
        run_time = time.time() - start_time
        print("It took " + str(run_time) + " seconds to generate the blog post!")
        output = "Blog Updated! (" + str(run_time) + " seconds) https://ai.phixxy.com/ai-blog"
        #output += '\nNotifying subscribers: '
        #for subscriber in blog_subscribers:
        #    output += '<@' + subscriber + '> '
        print(output)

    @commands.command(
        description="Question", 
        help="Ask a raw chatgpt question. Usage: !question (question)", 
        brief="Get an answer"
        )        
    async def question(self, ctx):
        question = ctx.message.content.split(" ", maxsplit=1)[1]
        answer = await self.answer_question(question)
        chunks = [answer[i:i+1999] for i in range(0, len(answer), 1999)]
        for chunk in chunks:
            await ctx.send(chunk)
            
    @commands.command(
        description="Question GPT4", 
        help="Ask GPT4 a question. Usage: !question_gpt4 (question)", 
        brief="Get an answer"
        )         
    async def question_gpt4(self, ctx):
        question = ctx.message.content.split(" ", maxsplit=1)[1]
        answer = await self.answer_question(question, "gpt-4-vision-preview")
        chunks = [answer[i:i+1999] for i in range(0, len(answer), 1999)]
        for chunk in chunks:
            await ctx.send(chunk)
            
    @commands.command(
        description="Image GPT4", 
        help="Ask GPT4 a question about an image. Usage: !question_gpt4 (link) (question)", 
        brief="Get an answer"
        )         
    async def looker(self, ctx):
        image_link = ctx.message.content.split(" ", maxsplit=2)[1]
        question = ctx.message.content.split(" ", maxsplit=2)[2]
        
        headers = {
            'Content-Type': 'application/json',
            'Authorization': f'Bearer {os.getenv("openai.api_key")}',
        }

        data = {
            "model": "gpt-4-vision-preview",
            "messages": [{"role": "user", "content": [{"type": "text", "text": question},{"type": "image_url","image_url": {"url": image_link}}]}],
            "max_tokens": 500
        }

        url = "https://api.openai.com/v1/chat/completions"

        try:
            http_session = aiohttp.ClientSession()
            async with http_session.post(url, headers=headers, json=data) as resp:
                response_data = await resp.json()
                print(response_data)
                answer = response_data['choices'][0]['message']['content']
            await http_session.close()
            

        except Exception as error:
            return await self.handle_error(error)
        
        chunks = [answer[i:i+1999] for i in range(0, len(answer), 1999)]
        for chunk in chunks:
            await ctx.send(chunk)

    @commands.command(
        description="Website", 
        help="Generates a website using gpt 3.5. Usage: !website (topic)", 
        brief="Generate a website"
        )         
    async def website(self, ctx):
        async def delete_local_pngs(local_folder):
            for filename in os.listdir(local_folder):
                if ".png" in filename:
                    os.remove(local_folder + filename)
        
        async def delete_ftp_pngs(server_folder):
            async with asyncssh.connect(os.getenv('ftp_server'), username=os.getenv('ftp_username'), password=os.getenv('ftp_password')) as conn:
                async with conn.start_sftp_client() as sftp:
                    for filename in (await sftp.listdir(server_folder)):
                        if '.png' in filename:
                            try:
                                print("Deleting", filename)
                                await sftp.remove(server_folder+filename)
                            except:
                                print("Couldn't delete", filename)
                            
        async def extract_image_tags(code):
            count = code.count("<img")
            tags = []
            for x in range(0,count):
                index1 = code.find("<img")
                index2 = code[index1:].find(">") + index1 + 1
                img_tag = code[index1:index2]
                tags.append(img_tag)
                code = code[index2:]
            return tags
            
        async def extract_image_alt_text(tags):
            alt_texts = []
            for tag in tags:
                index1 = tag.find("alt") + 5
                index2 = tag[index1:].find("\"") + index1
                alt_text = tag[index1:index2]
                alt_texts.append(alt_text)
            return alt_texts
            
        async def generate_images(local_folder, image_list):
            url = os.getenv('stablediffusion_url')
            if url == "disabled":
                return
            file_list = []
            for image in image_list:
                filename = image.replace(" ", "").lower() + ".png"
                payload = {"prompt": image, "steps": 25}
                http_session = aiohttp.ClientSession()
                response = await http_session.post(url=f'{url}/sdapi/v1/txt2img', json=payload)
                r = await response.json()
                for i in r['images']:
                    image = Image.open(io.BytesIO(base64.b64decode(i.split(",", 1)[0])))
                    png_payload = {"image": "data:image/png;base64," + i}
                    response2 = await http_session.post(url=f'{url}/sdapi/v1/png-info', json=png_payload)
                    pnginfo = PngImagePlugin.PngInfo()
                    json_response = await response2.json()
                    pnginfo.add_text("parameters", json_response.get("info"))
                    image.save(local_folder + filename, pnginfo=pnginfo)
                    file_list.append(filename)
            await http_session.close()
            return file_list
        
        async def add_image_filenames(code, file_list):
            for filename in file_list:
                code = code.replace("src=\"\"", "src=\""+ filename + "\"", 1)
            return code

        async def upload_html_and_imgs(local_folder, server_folder):

            for filename in os.listdir(local_folder):
                if ".png" in filename:
                    await self.upload_sftp(local_folder + filename, (os.getenv('ftp_public_html') + 'ai-webpage/'), filename)
            #explicitly upload html files last!
            for filename in os.listdir(local_folder):
                if ".html" in filename:
                    await self.upload_sftp(local_folder + filename, (os.getenv('ftp_public_html') + 'ai-webpage/'), filename)
                        
            
        server_folder = os.getenv('ftp_public_html') + 'ai-webpage/'
        local_folder = "tmp/webpage/"
        working_file = local_folder + "index.html"
        if not os.path.exists(local_folder):
            os.mkdir(local_folder)
        
        try:            
            await ctx.send("Please wait, this will take a long time! You will be able to view the website here: https://ai.phixxy.com/ai-webpage/")
            with open(working_file, "w") as f:
                f.write("<!DOCTYPE html><html><head><script>setTimeout(function(){location.reload();}, 10000);</script><title>Generating Website</title><style>body {font-size: 24px;text-align: center;margin-top: 100px;}</style></head><body><p>This webpage is currently being generated. The page will refresh once it is complete. Please be patient.</p></body></html>")
            await self.upload_sftp(working_file, server_folder, "index.html")
            topic = ctx.message.content.split(" ", maxsplit=1)[1]
            prompt = "Generate a webpage using html and inline css. The webpage topic should be " + topic + ". Feel free to add image tags with alt text. Leave the image source blank. The images will be added later."
            code = await self.answer_question(prompt)

            
            await delete_local_pngs(local_folder)
            await delete_ftp_pngs(server_folder)
            
            tags = await extract_image_tags(code)
            alt_texts = await extract_image_alt_text(tags)
            file_list = await generate_images(local_folder, alt_texts)
            code = await add_image_filenames(code, file_list)
            
            with open(working_file, 'w') as f:
                f.write(code)
                f.close()
            
            await upload_html_and_imgs(local_folder, server_folder)        
            
            await ctx.send("Finished https://ai.phixxy.com/ai-webpage/")
        except Exception as error:
            await self.handle_error(error)
            await ctx.send("Failed, Try again.")

    @tasks.loop(seconds=1)
    async def ai_task_loop(self):
        current_time = time.localtime()
        if current_time.tm_hour == 17 and current_time.tm_min == 0 and current_time.tm_sec == 0:
            try:
                await self.generate_blog()
            except Exception as error:
                await self.handle_error(error)

async def setup(bot):
    bot.add_cog(AsyncOpenAI)
    bot.ai_task_loop.start() #I don't know if this will work or not