#!/usr/bin/env python3.9
from dataclasses import dataclass
import json
from pathlib import Path
import subprocess
import typing
from playwright.sync_api import Playwright, sync_playwright, Browser
from typer import Option, Typer


class Storage(typing.Protocol):
    def get(self, key: str) -> typing.Optional[typing.Any]:
        ...

    def set(self, key: str, value) -> None:
        ...


@dataclass
class FileStorage:
    path: Path

    def get(self, key: str):
        try:
            return json.loads(self.path.read_text()).get(key)
        except FileNotFoundError:
            return None

    def set(self, key: str, value) -> None:
        try:
            data = json.loads(self.path.read_text())
        except FileNotFoundError:
            data = {}
        data[key] = value
        self.path.write_text(json.dumps(data))


class Emp:
    def __init__(self, browser: Browser, storage: Storage) -> None:
        self.browser = browser
        self.storage = storage

    def ensure_session(self, username: str, password: str) -> None:
        if self.storage.get("cookies") is None:
            self.login(username, password)

    def login(self, username: str, password: str) -> typing.Dict[str, str]:
        """
        logins and returns session cookies
        """
        context = self.browser.new_context()

        # Open new page
        page = context.new_page()

        # Go to https://www.empornium.is/
        page.goto("https://www.empornium.is/login")

        page.locator('[placeholder="Username"]').fill(username)
        page.locator('[placeholder="Password"]').fill(password)
        # Click text=Stay logged in
        page.locator("text=Stay logged in").click()

        # Click input:has-text("login")
        page.locator('input:has-text("login")').click()

        cookies = {c["name"]: c["value"] for c in context.cookies()}
        self.storage.set("cookies", {"sid": cookies["sid"]})

        return {
            "sid": cookies["sid"],
        }

    def prepare_post(
        self,
        torrent_path: Path,
        title: str,
        tags: str,
        description: str,
        cover_image_url: str,
        category: typing.Optional[str] = None,
    ) -> None:
        cookies = self.storage.get("cookies")
        assert cookies, "You must login first"

        context = self.browser.new_context()
        context.add_cookies(
            [{"name": k, "value": v, "domain": "www.empornium.is", "path": "/"} for k, v in cookies.items()]
        )

        page = context.new_page()

        page.goto("https://www.empornium.is/upload.php")

        if torrent_path.is_file():
            page.locator('input[name="file_input"]').set_input_files(torrent_path.expanduser().resolve())
            page.locator('text="check for dupes"').click()

        # Select category
        if category:
            page.locator('select[name="category"]').select_option(label=category)

        page.locator('input[name="title"]').fill(title)
        page.locator('textarea[name="taglist"]').fill(tags)
        page.locator('input[name="image"]').fill(cover_image_url)
        page.locator('textarea[name="desc"]').fill(description)

        # Click text=Preview
        page.locator("text=Preview").click()


def submit_post():
    storage = FileStorage(Path("emp.json"))

    with sync_playwright() as playwright:
        browser = playwright.chromium.launch(headless=False)
        emp = Emp(browser=browser, storage=storage)
        emp.ensure_session(username="zzzp", password="9arjs9za2o")

        emp.prepare_post(
            torrent_path=Path("~/Downloads/v.torrent"),
            title="A Title",
            tags="tag.1 tag.2",
            description="Some description",
            cover_image_url="https://images.com/image.jpg",
            category="Anal",
        )
        input("Press Enter to continue...")
        browser.close()


cli = Typer(name="emp")


torrent_cli = Typer(name="torrent")
cli.add_typer(torrent_cli)


@torrent_cli.callback("torrent")
def make_torrent(paths: typing.List[Path], announce_url: str = Option(..., envvar="ANNOUNCE_URL")):
    if len(paths) == 1 and paths[0].is_dir():
        dir_path = paths[0]
    
    dir_path = dir_path.expanduser().resolve()
    proc = subprocess.run(
        [
            "torrentify",
            f"-announce={announce_url}",
            f"-comment=created by zzzp",
            f"-created-by=zzzp",
            f"-name={dir_path.name}",
            str(dir_path),
        ],
        check=True,
        capture_output=True,
    )
    torrent_path = dir_path / f"{dir_path.name}.torrent"
    torrent_path.write_bytes(proc.stdout)


@torrent_cli.command()
def clone():
    pass


if __name__ == "__main__":
    cli()