import { Button, Checkbox, Input, Textarea } from "@mui/joy";
import { isEqual } from "lodash-es";
import { useRef, useState } from "react";
import toast from "react-hot-toast";
import { useTranslation } from "react-i18next";
import { workspaceServiceClient } from "@/grpcweb";
import useWorkspaceStore from "@/stores/v1/workspace";
import { WorkspaceSetting } from "@/types/proto/api/v1/workspace_service";

const WorkspaceSection: React.FC = () => {
  const { t } = useTranslation();
  const workspaceStore = useWorkspaceStore();
  const [workspaceSetting, setWorkspaceSetting] = useState<WorkspaceSetting>(workspaceStore.setting);
  const originalWorkspaceSetting = useRef<WorkspaceSetting>(workspaceStore.setting);
  const allowSave = !isEqual(originalWorkspaceSetting.current, workspaceSetting);

  const handleEnableSignUpChange = async (value: boolean) => {
    setWorkspaceSetting({
      ...workspaceSetting,
      enableSignup: value,
    });
  };

  const handleInstanceUrlChange = async (value: string) => {
    setWorkspaceSetting({
      ...workspaceSetting,
      instanceUrl: value,
    });
  };

  const handleCustomStyleChange = async (value: string) => {
    setWorkspaceSetting({
      ...workspaceSetting,
      customStyle: value,
    });
  };

  const handleSaveWorkspaceSetting = async () => {
    const updateMask: string[] = [];
    if (!isEqual(originalWorkspaceSetting.current.enableSignup, workspaceSetting.enableSignup)) {
      updateMask.push("enable_signup");
    }
    if (!isEqual(originalWorkspaceSetting.current.instanceUrl, workspaceSetting.instanceUrl)) {
      updateMask.push("instance_url");
    }
    if (!isEqual(originalWorkspaceSetting.current.customStyle, workspaceSetting.customStyle)) {
      updateMask.push("custom_style");
    }
    if (updateMask.length === 0) {
      toast.error("No changes made");
      return;
    }

    try {
      const setting = (
        await workspaceServiceClient.updateWorkspaceSetting({
          setting: workspaceSetting,
          updateMask: updateMask,
        })
      ).setting as WorkspaceSetting;
      setWorkspaceSetting(setting);
      originalWorkspaceSetting.current = setting;
      toast.success("Workspace setting saved successfully");
    } catch (error: any) {
      toast.error(error.details);
    }
  };

  return (
    <div className="w-full flex flex-col justify-start items-start space-y-4">
      <p className="text-base font-semibold leading-6 text-gray-900 dark:text-gray-500">{t("settings.workspace.self")}</p>
      <div className="w-full flex flex-col justify-start items-start">
        <p className="mt-2 dark:text-gray-400">Instance URL</p>
        <Input
          className="w-full mt-2"
          placeholder="Your instance URL. Using for website SEO. Leave it empty if you don't want cawler to index your website."
          value={workspaceSetting.instanceUrl}
          onChange={(event) => handleInstanceUrlChange(event.target.value)}
        />
      </div>
      <div className="w-full flex flex-col justify-start items-start">
        <p className="mt-2 dark:text-gray-400">{t("settings.workspace.custom-style")}</p>
        <Textarea
          className="w-full mt-2"
          placeholder="* {font-family: ui-monospace Monaco Consolas;}"
          minRows={2}
          maxRows={5}
          value={workspaceSetting.customStyle}
          onChange={(event) => handleCustomStyleChange(event.target.value)}
        />
      </div>
      <div className="w-full flex flex-col justify-start items-start">
        <Checkbox
          label={t("settings.workspace.enable-user-signup.self")}
          checked={workspaceSetting.enableSignup}
          onChange={(event) => handleEnableSignUpChange(event.target.checked)}
        />
        <p className="mt-2 text-gray-500">{t("settings.workspace.enable-user-signup.description")}</p>
      </div>
      <div>
        <Button variant="outlined" color="neutral" disabled={!allowSave} onClick={handleSaveWorkspaceSetting}>
          {t("common.save")}
        </Button>
      </div>
    </div>
  );
};

export default WorkspaceSection;