import { platform } from "@yaakapp-internal/platform";
import { useLicense } from "@yaakapp-internal/license";
import { pluginsAtom, settingsAtom } from "@yaakapp-internal/models";
import { HeaderSize, HStack, Icon } from "@yaakapp-internal/ui";
import classNames from "classnames";
import { useAtomValue } from "jotai";
import { useKeyPressEvent } from "react-use";
import { appInfo } from "../../lib/appInfo";
import { capitalize } from "../../lib/capitalize";
import { CountBadge } from "../core/CountBadge";
import { TabContent, type TabItem, Tabs } from "../core/Tabs/Tabs";
import { SettingsCertificates } from "./SettingsCertificates";
import { SettingsGeneral } from "./SettingsGeneral";
import { SettingsHotkeys } from "./SettingsHotkeys";
import { SettingsInterface } from "./SettingsInterface";
import { SettingsLicense } from "./SettingsLicense";
import { SettingsPlugins } from "./SettingsPlugins";
import { SettingsProxy } from "./SettingsProxy";
import { SettingsTheme } from "./SettingsTheme";

interface Props {
  tab?: SettingsTabWithSubtab | null;
  /** Set when Settings is in a dialog rather than owning a window. */
  hide?: () => void;
}

const TAB_GENERAL = "general";
const TAB_INTERFACE = "interface";
const TAB_THEME = "theme";
const TAB_SHORTCUTS = "shortcuts";
const TAB_PROXY = "proxy";
const TAB_CERTIFICATES = "certificates";
const TAB_PLUGINS = "plugins";
const TAB_LICENSE = "license";
const tabs = [
  TAB_GENERAL,
  TAB_THEME,
  TAB_INTERFACE,
  TAB_SHORTCUTS,
  TAB_PLUGINS,
  TAB_CERTIFICATES,
  TAB_PROXY,
  TAB_LICENSE,
] as const;
export type SettingsTab = (typeof tabs)[number];
export type SettingsTabWithSubtab = SettingsTab | `${SettingsTab}:${string}`;

export default function Settings({ tab, hide }: Props) {
  // Parse tab and subtab (e.g., "plugins:installed")
  const [mainTab, subtab] = tab?.split(":") ?? [];
  const settings = useAtomValue(settingsAtom);
  const plugins = useAtomValue(pluginsAtom);
  const licenseCheck = useLicense();

  // Close settings window on escape. In a dialog, the dialog handles Escape itself.
  // TODO: Could this be put in a better place? Eg. in Rust key listener when creating the window
  useKeyPressEvent("Escape", async () => {
    if (hide == null) await platform.window.close();
  });

  return (
    <div className={classNames("grid grid-rows-[auto_minmax(0,1fr)] h-full")}>
      {hide ? (
        <span />
      ) : (
        <HeaderSize
          data-tauri-drag-region
          ignoreControlsSpacing
          onlyXWindowControl
          size="md"
          className="x-theme-appHeader bg-surface text-text-subtle flex items-center justify-center border-b border-border-subtle text-sm font-semibold"
          osType={platform.osType()}
          hideWindowControls={settings.hideWindowControls}
          useNativeTitlebar={settings.useNativeTitlebar}
          interfaceScale={settings.interfaceScale}
        >
          <HStack
            space={2}
            justifyContent="center"
            className="w-full h-full grid grid-cols-[1fr_auto] pointer-events-none"
          >
            <div className={classNames(platform.osType() === "macos" ? "text-center" : "pl-2")}>Settings</div>
          </HStack>
        </HeaderSize>
      )}
      <Tabs
        layout="horizontal"
        defaultValue={mainTab}
        addBorders
        tabListClassName="min-w-40 bg-surface x-theme-sidebar border-r border-border pl-3"
        label="Settings"
        tabs={tabs.map(
          (value): TabItem => ({
            value,
            label: capitalize(value),
            hidden: !appInfo.featureLicense && value === TAB_LICENSE,
            leftSlot:
              value === TAB_GENERAL ? (
                <Icon icon="settings" className="text-secondary" />
              ) : value === TAB_THEME ? (
                <Icon icon="palette" className="text-secondary" />
              ) : value === TAB_INTERFACE ? (
                <Icon icon="columns_2" className="text-secondary" />
              ) : value === TAB_SHORTCUTS ? (
                <Icon icon="keyboard" className="text-secondary" />
              ) : value === TAB_CERTIFICATES ? (
                <Icon icon="shield_check" className="text-secondary" />
              ) : value === TAB_PROXY ? (
                <Icon icon="wifi" className="text-secondary" />
              ) : value === TAB_PLUGINS ? (
                <Icon icon="puzzle" className="text-secondary" />
              ) : value === TAB_LICENSE ? (
                <Icon icon="key_round" className="text-secondary" />
              ) : null,
            rightSlot:
              value === TAB_CERTIFICATES ? (
                <CountBadge count={settings.clientCertificates.length} />
              ) : value === TAB_PLUGINS ? (
                <CountBadge count={plugins.filter((p) => p.source !== "bundled").length} />
              ) : value === TAB_PROXY && settings.proxy?.type === "enabled" ? (
                <CountBadge count />
              ) : value === TAB_LICENSE && licenseCheck.check.data?.status === "personal_use" ? (
                <CountBadge count color="notice" />
              ) : null,
          }),
        )}
      >
        <TabContent value={TAB_GENERAL} className="overflow-y-auto h-full px-6 py-4!">
          <SettingsGeneral />
        </TabContent>
        <TabContent value={TAB_INTERFACE} className="overflow-y-auto h-full px-6 py-4!">
          <SettingsInterface />
        </TabContent>
        <TabContent value={TAB_THEME} className="overflow-y-auto h-full px-6 py-4!">
          <SettingsTheme />
        </TabContent>
        <TabContent value={TAB_SHORTCUTS} className="overflow-y-auto h-full px-6 py-4!">
          <SettingsHotkeys />
        </TabContent>
        <TabContent value={TAB_PLUGINS} className="h-full grid grid-rows-1">
          <SettingsPlugins defaultSubtab={mainTab === TAB_PLUGINS ? subtab : undefined} />
        </TabContent>
        <TabContent value={TAB_PROXY} className="overflow-y-auto h-full px-6 py-4!">
          <SettingsProxy />
        </TabContent>
        <TabContent value={TAB_CERTIFICATES} className="overflow-y-auto h-full px-6 py-4!">
          <SettingsCertificates />
        </TabContent>
        <TabContent value={TAB_LICENSE} className="overflow-y-auto h-full px-6 py-4!">
          <SettingsLicense />
        </TabContent>
      </Tabs>
    </div>
  );
}