import { patchModel, settingsAtom } from "@yaakapp-internal/models";
import { useAtomValue } from "jotai";
import { lazy, Suspense } from "react";
import { activeWorkspaceAtom } from "../../hooks/useActiveWorkspace";
import { useResolvedAppearance } from "../../hooks/useResolvedAppearance";
import { useResolvedTheme } from "../../hooks/useResolvedTheme";
import type { ButtonProps } from "../core/Button";
import { Heading } from "../core/Heading";
import type { IconProps } from "../core/Icon";
import { Icon } from "../core/Icon";
import { IconButton } from "../core/IconButton";
import { Link } from "../core/Link";
import type { SelectProps } from "../core/Select";
import { Select } from "../core/Select";
import { HStack, VStack } from "../core/Stacks";

const Editor = lazy(() => import("../core/Editor/Editor").then((m) => ({ default: m.Editor })));

const buttonColors: ButtonProps["color"][] = [
  "primary",
  "info",
  "success",
  "notice",
  "warning",
  "danger",
  "secondary",
  "default",
];

const icons: IconProps["icon"][] = [
  "info",
  "box",
  "update",
  "alert_triangle",
  "arrow_big_right_dash",
  "download",
  "copy",
  "magic_wand",
  "settings",
  "trash",
  "sparkles",
  "pencil",
  "paste",
  "search",
  "send_horizontal",
];

export function SettingsTheme() {
  const workspace = useAtomValue(activeWorkspaceAtom);
  const settings = useAtomValue(settingsAtom);
  const appearance = useResolvedAppearance();
  const activeTheme = useResolvedTheme();

  if (settings == null || workspace == null || activeTheme.data == null) {
    return null;
  }

  const lightThemes: SelectProps<string>["options"] = activeTheme.data.themes
    .filter((theme) => !theme.dark)
    .map((theme) => ({
      label: theme.label,
      value: theme.id,
    }));

  const darkThemes: SelectProps<string>["options"] = activeTheme.data.themes
    .filter((theme) => theme.dark)
    .map((theme) => ({
      label: theme.label,
      value: theme.id,
    }));

  return (
    <VStack space={3} className="mb-4">
      <div className="mb-3">
        <Heading>Theme</Heading>
        <p className="text-text-subtle">
          Make Yaak your own by selecting a theme, or{" "}
          <Link href="https://yaak.app/docs/plugin-development/plugins-quick-start">
            Create Your Own
          </Link>
        </p>
      </div>
      <Select
        name="appearance"
        label="Appearance"
        labelPosition="top"
        size="sm"
        value={settings.appearance}
        onChange={(appearance) => patchModel(settings, { appearance })}
        options={[
          { label: "Automatic", value: "system" },
          { label: "Light", value: "light" },
          { label: "Dark", value: "dark" },
        ]}
      />
      <HStack space={2}>
        {(settings.appearance === "system" || settings.appearance === "light") && (
          <Select
            hideLabel
            leftSlot={<Icon icon="sun" color="secondary" />}
            name="lightTheme"
            label="Light Theme"
            size="sm"
            className="flex-1"
            value={activeTheme.data.light.id}
            options={lightThemes}
            onChange={(themeLight) => patchModel(settings, { themeLight })}
          />
        )}
        {(settings.appearance === "system" || settings.appearance === "dark") && (
          <Select
            hideLabel
            name="darkTheme"
            className="flex-1"
            label="Dark Theme"
            leftSlot={<Icon icon="moon" color="secondary" />}
            size="sm"
            value={activeTheme.data.dark.id}
            options={darkThemes}
            onChange={(themeDark) => patchModel(settings, { themeDark })}
          />
        )}
      </HStack>

      <VStack
        space={3}
        className="mt-3 w-full bg-surface p-3 border border-dashed border-border-subtle rounded overflow-x-auto"
      >
        <HStack className="text" space={1.5}>
          <Icon icon={appearance === "dark" ? "moon" : "sun"} />
          <strong>{activeTheme.data.active.label}</strong>
          <em>(preview)</em>
        </HStack>
        <HStack space={1.5} className="w-full">
          {buttonColors.map((c, i) => (
            <IconButton
              key={c}
              color={c}
              size="2xs"
              iconSize="xs"
              icon={icons[i % icons.length] ?? "info"}
              iconClassName="text"
              title={`${c}`}
            />
          ))}
          {buttonColors.map((c, i) => (
            <IconButton
              key={c}
              color={c}
              variant="border"
              size="2xs"
              iconSize="xs"
              icon={icons[i % icons.length] ?? "info"}
              iconClassName="text"
              title={`${c}`}
            />
          ))}
        </HStack>
        <Suspense>
          <Editor
            defaultValue={[
              "let foo = { // Demo code editor",
              '  foo: ("bar" || "baz" ?? \'qux\'),',
              "  baz: [1, 10.2, null, false, true],",
              "};",
            ].join("\n")}
            heightMode="auto"
            language="javascript"
            stateKey={null}
          />
        </Suspense>
      </VStack>
    </VStack>
  );
}