from textual import on
from textual.app import ComposeResult
from textual.binding import Binding
from textual.containers import Container
from textual.containers import ScrollableContainer
from textual.screen import Screen
from textual.widgets import Button
from textual.widgets import Checkbox
from textual.widgets import Footer
from textual.widgets import Header
from textual.widgets import Input
from textual.widgets import Label
from textual.widgets import Select

from source.translator import (
    LANGUAGE,
    Chinese,
    English,
)

__all__ = ["Setting"]


class Setting(Screen):
    BINDINGS = [
        Binding(key="q", action="quit", description="退出程序/Quit"),
        Binding(key="b", action="index", description="返回首页/Back"),
    ]

    def __init__(self, data: dict, language: Chinese | English):
        super().__init__()
        self.data = data
        self.prompt = language

    def compose(self) -> ComposeResult:
        yield Header()
        yield ScrollableContainer(
            Label(self.prompt.work_path, classes="params", ),
            Input(self.data["work_path"], placeholder=self.prompt.work_path_placeholder, valid_empty=True,
                  id="work_path", ),
            Label(self.prompt.folder_name, classes="params", ),
            Input(self.data["folder_name"], placeholder="Download", id="folder_name", ),
            Label(self.prompt.user_agent, classes="params", ),
            Input(self.data["user_agent"], placeholder=self.prompt.user_agent_placeholder, valid_empty=True,
                  id="user_agent", ),
            Label(self.prompt.cookie, classes="params", ),
            Input(placeholder=self.__check_cookie(), valid_empty=True, id="cookie", ),
            Label(self.prompt.proxy, classes="params", ),
            Input(self.data["proxy"], placeholder=self.prompt.proxy_placeholder, valid_empty=True, id="proxy", ),
            Label(self.prompt.timeout, classes="params", ),
            Input(str(self.data["timeout"]), placeholder="10", type="integer", id="timeout", ),
            Label(self.prompt.chunk, classes="params", ),
            Input(str(self.data["chunk"]), placeholder="1048576", type="integer", id="chunk", ),
            Label(self.prompt.max_retry, classes="params", ),
            Input(str(self.data["max_retry"]), placeholder="5", type="integer", id="max_retry", ),
            Container(
                Label("", classes="params", ),
                Label("", classes="params", ),
                Label(self.prompt.image_format, classes="params", ),
                Label(self.prompt.language, classes="params", ),
                classes="horizontal-layout",
            ),
            Container(
                Checkbox(self.prompt.record_data, id="record_data", value=self.data["record_data"], ),
                Checkbox(self.prompt.folder_mode, id="folder_mode", value=self.data["folder_mode"], ),
                Select.from_values(
                    ("PNG", "WEBP"),
                    value=self.data["image_format"],
                    allow_blank=False,
                    id="image_format"),
                Select.from_values(list(LANGUAGE.keys()),
                                   value=self.data["language"],
                                   allow_blank=False,
                                   id="language", ),
                classes="horizontal-layout"),
            Container(
                Button(self.prompt.save_button, id="save", ),
                Button(self.prompt.abandon_button, id="abandon", ),
                classes="settings_button", ),
        )
        yield Footer()

    def __check_cookie(self) -> str:
        if self.data["cookie"]:
            return self.prompt.cookie_placeholder_true
        return self.prompt.cookie_placeholder_false

    def on_mount(self) -> None:
        self.title = self.prompt.settings_title

    @on(Button.Pressed, "#save")
    def save_settings(self):
        self.dismiss({
            "work_path": self.query_one("#work_path").value,
            "folder_name": self.query_one("#folder_name").value,
            "user_agent": self.query_one("#user_agent").value,
            "cookie": self.query_one("#cookie").value or self.data["cookie"],
            "proxy": self.query_one("#proxy").value or None,
            "timeout": int(self.query_one("#timeout").value),
            "chunk": int(self.query_one("#chunk").value),
            "max_retry": int(self.query_one("#max_retry").value),
            "record_data": self.query_one("#record_data").value,
            "image_format": self.query_one("#image_format").value,
            "folder_mode": self.query_one("#folder_mode").value,
            "language": self.query_one("#language").value,
        })

    @on(Button.Pressed, "#abandon")
    def reset(self):
        self.dismiss(self.data)