"use client";

import { useCallback, useState } from "react";

import { toolGroups } from "@/config/tools";
import { safeJsonParse } from "@/lib/json";
import { Editor, EditorProps } from "@/components/ui/editor";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { ClearButton } from "@/components/buttons/clear";
import { CopyButton } from "@/components/buttons/copy";
import { FileButton } from "@/components/buttons/file";
import { PasteButton } from "@/components/buttons/paste";
import { Configuration } from "@/components/configuration";
import { Configurations } from "@/components/configurations";
import { ControlMenu } from "@/components/control-menu";
import { icons } from "@/components/icons";
import { PageRootSection } from "@/components/page-root-section";
import { PageSection } from "@/components/page-section";

const indentations = {
  two: "  ",
  four: "    ",
  zero: "",
  tab: "\t",
};

export default function Page() {
  const [indentation, setIndentation] = useState(indentations.two);
  const [input, setInput] = useState('{\n"foo":"bar"\n}');

  const parsed = safeJsonParse(input);
  const output = parsed.isErr() ? "" : JSON.stringify(parsed.value, null, indentation);

  const clearInput = useCallback(() => setInput(""), []);

  const onJsonChange: EditorProps["onChange"] = value => setInput(value ?? "");

  const indentationConfig = (
    <Configuration
      icon={<icons.Space size={24} className="-translate-y-1.5" />}
      title="Indentation"
      control={
        <Select value={indentation} onValueChange={setIndentation}>
          <SelectTrigger
            className="w-28"
            aria-label="toggle open/close state of indentation selection"
          >
            <SelectValue placeholder={indentation} />
          </SelectTrigger>
          <SelectContent>
            <SelectItem value={indentations.two}>2 spaces</SelectItem>
            <SelectItem value={indentations.four}>4 spaces</SelectItem>
            <SelectItem value={indentations.tab}>1 tab</SelectItem>
            <SelectItem value={indentations.zero}>minified</SelectItem>
          </SelectContent>
        </Select>
      }
    />
  );

  const inputPasteButton = <PasteButton onClipboardRead={setInput} />;

  const inputFileButton = (
    <FileButton accept=".json" onFileRead={setInput} iconOnly aria-label="load a json file" />
  );

  const inputClearButton = <ClearButton onClick={clearInput} iconOnly aria-label="clear json" />;

  const outputCopyButton = <CopyButton text={output} />;

  const inputControl = <ControlMenu list={[inputPasteButton, inputFileButton, inputClearButton]} />;
  const outputControl = <ControlMenu list={[outputCopyButton]} />;

  return (
    <PageRootSection
      className="flex h-full flex-col"
      title={toolGroups.formatters.tools.json.longTitle}
    >
      <PageSection className="mt-0" title="Configuration">
        <Configurations list={[indentationConfig]} />
      </PageSection>
      <div className="flex flex-1 flex-col gap-x-4 gap-y-5 lg:flex-row">
        <PageSection className="min-h-[200px] flex-1" title="Input" control={inputControl}>
          <Editor language="json" value={input} onChange={onJsonChange} />
        </PageSection>
        <PageSection className="min-h-[200px] flex-1" title="Output" control={outputControl}>
          <Editor language="json" value={output} options={{ readOnly: true }} />
        </PageSection>
      </div>
    </PageRootSection>
  );
}