from csv import QUOTE_ALL
from os import makedirs, path, remove
from uuid import uuid1

import aiofiles
from aiocsv.writers import AsyncDictWriter
from pyrogram import filters
from pyrogram.client import Client
from pyrogram.enums.chat_action import ChatAction
from pyrogram.types import Message
from ujson import dumps

from app import app
from modules import custom_filters
from modules.database import col_applications, col_sponsorships, col_warnings
from modules.logging import logWrite
from modules.utils import locale, should_quote


@app.on_message(
    custom_filters.enabled_general
    & ~filters.scheduled
    & filters.command(["export"], prefixes=["/"])
    & custom_filters.admin
)
async def cmd_export(app: Client, msg: Message):
    if len(msg.command) <= 1:
        await msg.reply_text(
            locale("syntax_export", "message", locale=msg.from_user),
            quote=should_quote(msg),
        )
        return

    selection = msg.command[1].lower()

    if selection not in ["applications", "warnings", "sponsorships", "bans", "event"]:
        await msg.reply_text(
            locale("syntax_export", "message", locale=msg.from_user),
            quote=should_quote(msg),
        )
        return

    logWrite(f"Admin {msg.from_user.id} requested export of {selection}")

    makedirs("tmp", exist_ok=True)
    temp_file = path.join("tmp", str(uuid1()))

    await app.send_chat_action(msg.chat.id, ChatAction.TYPING)

    output_csv = []
    output_json = []

    if selection == "applications":
        header_csv = [
            "user",
            "date",
            "admin",
            "question_1",
            "question_2",
            "question_3",
            "question_4",
            "question_5",
            "question_6",
            "question_7",
            "question_8",
            "question_9",
            "question_10",
        ]

        for entry in list(col_applications.find()):
            del entry["_id"]
            entry["date"] = entry["date"].isoformat()
            entry["application"]["2"] = entry["application"]["2"].isoformat()
            output_json.append(entry)

        for entry in list(col_applications.find()):
            del entry["_id"]
            entry["date"] = entry["date"].isoformat()
            entry["application"]["2"] = entry["application"]["2"].isoformat()
            for index, value in enumerate(entry["application"]):
                entry[f"question_{index+1}"] = entry["application"][value]
            entry[
                "question_3"
            ] = f"{entry['application']['3']['name']} ({entry['application']['3']['adminName1']}, {entry['application']['3']['countryName']})"
            del entry["application"]
            output_csv.append(entry)

    elif selection == "warnings":
        header_csv = [
            "id",
            "user",
            "admin",
            "date",
            "reason",
            "active",
            "revoke_date",
        ]

        for entry in list(col_warnings.find()):
            for k, v in list(entry.items()):
                entry[{"_id": "id"}.get(k, k)] = entry.pop(k)
            entry["id"] = str(entry["id"])
            entry["date"] = entry["date"].isoformat()
            if entry["revoke_date"] is not None:
                entry["revoke_date"] = entry["revoke_date"].isoformat()
            output_json.append(entry)
            output_csv.append(entry)

    elif selection == "sponsorships":
        header_csv = [
            "user",
            "date",
            "admin",
            "streamer",
            "expires",
            "proof",
            "label",
        ]

        for entry in list(col_sponsorships.find()):
            del entry["_id"]
            entry["date"] = entry["date"].isoformat()
            entry["sponsorship"]["expires"] = entry["sponsorship"][
                "expires"
            ].isoformat()
            output_json.append(entry)

        for entry in list(col_sponsorships.find()):
            del entry["_id"]
            entry["date"] = entry["date"].isoformat()
            entry["sponsorship"]["expires"] = entry["sponsorship"][
                "expires"
            ].isoformat()
            for index, value in enumerate(entry["sponsorship"]):
                entry[value] = entry["sponsorship"][value]
            del entry["sponsorship"]
            output_csv.append(entry)

    elif selection == "bans":
        header_csv = ["user", "admin", "date"]

        for entry in list(col_warnings.find()):
            del entry["id"]
            entry["date"] = entry["date"].isoformat()
            output_json.append(entry)
            output_csv.append(entry)

    elif selection == "event":
        header_csv = ["user", "stage", "date"]

        for entry in list(col_warnings.find()):
            del entry["id"]
            entry["date"] = entry["date"].isoformat()
            output_json.append(entry)
            output_csv.append(entry)

    # Saving CSV
    async with aiofiles.open(temp_file + ".csv", mode="w", encoding="utf-8") as file:
        writer = AsyncDictWriter(file, header_csv, restval="NULL", quoting=QUOTE_ALL)
        await writer.writeheader()
        await writer.writerows(output_csv)

    # Saving JSON
    async with aiofiles.open(temp_file + ".json", mode="w", encoding="utf-8") as file:
        await file.write(
            dumps(
                output_json, ensure_ascii=False, escape_forward_slashes=False, indent=4
            )
        )

    # Sending CSV
    await app.send_chat_action(msg.chat.id, ChatAction.UPLOAD_DOCUMENT)
    await msg.reply_document(
        document=temp_file + ".csv",
        file_name=f"{selection}.csv",
        quote=should_quote(msg),
    )

    # Sending JSON
    await app.send_chat_action(msg.chat.id, ChatAction.UPLOAD_DOCUMENT)
    await msg.reply_document(
        document=temp_file + ".json",
        file_name=f"{selection}.json",
        quote=should_quote(msg),
    )

    del output_csv, output_json

    # Removing temp files
    remove(temp_file + ".csv")
    remove(temp_file + ".json")