from datetime import datetime
from os import makedirs, path
from shutil import rmtree
from traceback import format_exc
from uuid import uuid4
from PIL import Image
import aiofiles

from classes.poster_client import PosterClient

from modules.api_client import authorize, move_pic, random_pic, http_session
from modules.database import col_sent, col_submitted
from modules.logger import logWrite
from modules.utils import configGet, locale


async def send_content(app: PosterClient) -> None:
    try:
        try:
            token = await authorize()
        except ValueError:
            await app.send_message(
                app.owner,
                locale("api_creds_invalid", "message", locale=configGet("locale")),
            )
            return

        try:
            pic = await random_pic()
        except KeyError:
            logWrite(locale("post_empty", "console", locale=configGet("locale")))
            if configGet("error", "reports"):
                await app.send_message(
                    app.owner,
                    locale("api_queue_empty", "message", locale=configGet("locale")),
                )
            return
        except ValueError:
            if configGet("error", "reports"):
                await app.send_message(
                    app.owner,
                    locale("api_queue_error", "message", locale=configGet("locale")),
                )
            return

        response = await http_session.get(
            f'{configGet("address", "posting", "api")}/photos/{pic[0]}',
            headers={"Authorization": f"Bearer {token}"},
        )

        if response.status != 200:
            logWrite(
                locale(
                    "post_invalid_pic", "console", locale=configGet("locale")
                ).format(response.status, str(response.json()))
            )
            if configGet("error", "reports"):
                await app.send_message(
                    app.owner,
                    locale(
                        "post_invalid_pic", "message", locale=configGet("locale")
                    ).format(response.status, response.json()),
                )

        tmp_dir = str(uuid4())

        makedirs(path.join(configGet("tmp", "locations"), tmp_dir), exist_ok=True)

        tmp_path = path.join(tmp_dir, pic[1])

        async with aiofiles.open(
            path.join(configGet("tmp", "locations"), tmp_path), "wb"
        ) as out_file:
            await out_file.write(await response.read())

        logWrite(
            f'Candidate {pic[1]} ({pic[0]}) is {path.getsize(path.join(configGet("tmp", "locations"), tmp_path))} bytes big',
            debug=True,
        )

        if path.getsize(path.join(configGet("tmp", "locations"), tmp_path)) > 5242880:
            image = Image.open(path.join(configGet("tmp", "locations"), tmp_path))
            width, height = image.size
            image = image.resize((int(width / 2), int(height / 2)), Image.ANTIALIAS)
            if tmp_path.lower().endswith(".jpeg") or tmp_path.lower().endswith(".jpg"):
                image.save(
                    path.join(configGet("tmp", "locations"), tmp_path),
                    "JPEG",
                    optimize=True,
                    quality=50,
                )
            elif tmp_path.lower().endswith(".png"):
                image.save(
                    path.join(configGet("tmp", "locations"), tmp_path),
                    "PNG",
                    optimize=True,
                    compress_level=8,
                )
            image.close()

        if path.getsize(path.join(configGet("tmp", "locations"), tmp_path)) > 5242880:
            rmtree(
                path.join(configGet("tmp", "locations"), tmp_dir), ignore_errors=True
            )
            raise BytesWarning

        del response

        submitted = col_submitted.find_one({"temp.file": pic[1]})

        if submitted is not None and submitted["caption"] is not None:
            caption = submitted["caption"].strip()
        else:
            caption = ""

        if (
            submitted is not None
            and configGet("enabled", "posting", "submitted_caption")
            and (
                (submitted["user"] not in app.admins)
                or (configGet("ignore_admins", "posting", "submitted_caption") is False)
            )
        ):
            caption = (
                f"{caption}\n\n{configGet('text', 'posting', 'submitted_caption')}\n"
            )
        else:
            caption = f"{caption}\n\n"

        if configGet("enabled", "caption"):
            if configGet("link", "caption") != None:
                caption = f"{caption}[{configGet('text', 'caption')}]({configGet('link', 'caption')})"
            else:
                caption = f"{caption}{configGet('text', 'caption')}"
        else:
            caption = caption

        try:
            sent = await app.send_photo(
                configGet("channel", "posting"),
                path.join(configGet("tmp", "locations"), tmp_path),
                caption=caption,
                disable_notification=configGet("silent", "posting"),
            )
        except Exception as exp:
            logWrite(f"Could not send image {pic[1]} ({pic[0]}) due to {exp}")
            if configGet("error", "reports"):
                await app.send_message(
                    app.owner,
                    locale(
                        "post_exception", "message", locale=configGet("locale")
                    ).format(exp, format_exc()),
                )
            # rmtree(path.join(configGet("tmp", "locations"), tmp_dir), ignore_errors=True)
            return

        col_sent.insert_one(
            {
                "date": datetime.now(),
                "image": pic[0],
                "filename": pic[1],
                "channel": configGet("channel", "posting"),
                "caption": None
                if (submitted is None or submitted["caption"] is None)
                else submitted["caption"].strip(),
            }
        )

        await move_pic(pic[0])

        rmtree(path.join(configGet("tmp", "locations"), tmp_dir), ignore_errors=True)

        logWrite(
            locale("post_sent", "console", locale=configGet("locale")).format(
                pic[0],
                str(configGet("channel", "posting")),
                caption.replace("\n", "%n"),
                str(configGet("silent", "posting")),
            )
        )

    except Exception as exp:
        logWrite(
            locale("post_exception", "console", locale=configGet("locale")).format(
                str(exp), format_exc()
            )
        )
        if configGet("error", "reports"):
            await app.send_message(
                app.owner,
                locale("post_exception", "message", locale=configGet("locale")).format(
                    exp, format_exc()
                ),
            )
        try:
            rmtree(
                path.join(configGet("tmp", "locations"), tmp_dir), ignore_errors=True
            )
        except:
            pass