import React from "react";
import { useRouter } from "next/router";
import { useForm, Controller } from "react-hook-form";

// services
import { FileService } from "services/file.service";
// components
import { LiteTextEditorWithRef } from "@plane/lite-text-editor";
// ui
import { Button, Tooltip } from "@plane/ui";
import { Globe2, Lock } from "lucide-react";

// types
import type { IIssueComment } from "types";
import useEditorSuggestions from "hooks/use-editor-suggestions";

const defaultValues: Partial<IIssueComment> = {
  access: "INTERNAL",
  comment_html: "",
};

type IIssueCommentEditor = {
  disabled?: boolean;
  onSubmit: (data: IIssueComment) => Promise<void>;
  showAccessSpecifier?: boolean;
};

type commentAccessType = {
  icon: any;
  key: string;
  label: "Private" | "Public";
};
const commentAccess: commentAccessType[] = [
  {
    icon: Lock,
    key: "INTERNAL",
    label: "Private",
  },
  {
    icon: Globe2,
    key: "EXTERNAL",
    label: "Public",
  },
];

// services
const fileService = new FileService();

export const IssueCommentEditor: React.FC<IIssueCommentEditor> = (props) => {
  const { disabled = false, onSubmit, showAccessSpecifier = false } = props;

  const editorRef = React.useRef<any>(null);

  const router = useRouter();
  const { workspaceSlug, projectId } = router.query;

  const editorSuggestions = useEditorSuggestions(workspaceSlug as string | undefined, projectId as string | undefined)

  const {
    control,
    formState: { isSubmitting },
    handleSubmit,
    reset,
  } = useForm<IIssueComment>({ defaultValues });

  const handleAddComment = async (formData: IIssueComment) => {
    if (!formData.comment_html || isSubmitting) return;

    await onSubmit(formData).then(() => {
      reset(defaultValues);
      editorRef.current?.clearEditor();
    });
  };

  return (
    <form onSubmit={handleSubmit(handleAddComment)}>
      <div className="space-y-2">
        <div className="relative">
          {showAccessSpecifier && (
            <div className="absolute bottom-2 left-3 z-[1]">
              <Controller
                control={control}
                name="access"
                render={({ field: { onChange, value } }) => (
                  <div className="flex border border-custom-border-300 divide-x divide-custom-border-300 rounded overflow-hidden">
                    {commentAccess.map((access) => (
                      <Tooltip key={access.key} tooltipContent={access.label}>
                        <button
                          type="button"
                          onClick={() => onChange(access.key)}
                          className={`grid place-items-center p-1 hover:bg-custom-background-80 ${
                            value === access.key ? "bg-custom-background-80" : ""
                          }`}
                        >
                          <access.icon
                            className={`w-4 h-4 -mt-1 ${
                              value === access.key ? "!text-custom-text-100" : "!text-custom-text-400"
                            }`}
                          />
                        </button>
                      </Tooltip>
                    ))}
                  </div>
                )}
              />
            </div>
          )}
          <Controller
            name="access"
            control={control}
            render={({ field: { onChange: onAccessChange, value: accessValue } }) => (
              <Controller
                name="comment_html"
                control={control}
                render={({ field: { onChange: onCommentChange, value: commentValue } }) => (
                  <LiteTextEditorWithRef
                    onEnterKeyPress={handleSubmit(handleAddComment)}
                    uploadFile={fileService.getUploadFileFunction(workspaceSlug as string)}
                    deleteFile={fileService.deleteImage}
                    ref={editorRef}
                    value={!commentValue || commentValue === "" ? "<p></p>" : commentValue}
                    customClassName="p-3 min-h-[100px] shadow-sm"
                    debouncedUpdatesEnabled={false}
                    mentionSuggestions={editorSuggestions.mentionSuggestions}
                    mentionHighlights={editorSuggestions.mentionHighlights}
                    onChange={(comment_json: Object, comment_html: string) => onCommentChange(comment_html)}
                    commentAccessSpecifier={{ accessValue, onAccessChange, showAccessSpecifier, commentAccess }}
                  />
                )}
              />
            )}
          />
        </div>

        <Button variant="neutral-primary" type="submit" disabled={isSubmitting || disabled}>
          {isSubmitting ? "Adding..." : "Comment"}
        </Button>
      </div>
    </form>
  );
};
