import {
  Bubble,
  Conversations,
  Prompts,
  Sender,
  Suggestion,
  XProvider,
  useXAgent,
  useXChat,
  Welcome,
  Attachments,
  AttachmentsProps,
} from "@ant-design/x";

import { Card, Divider, Flex, App, Button } from "antd";
import React from "react";
import {
  BulbOutlined,
  SmileOutlined,
  UserOutlined,
  EditOutlined,
  DeleteOutlined,
  MessageOutlined,
  PlusOutlined,
  CloudUploadOutlined,
  LinkOutlined,
} from "@ant-design/icons";
import type { GetProp, GetRef } from "antd";
import type { ConversationsProps } from "@ant-design/x";
import type { AgentItem } from "./data";

const roles: GetProp<typeof Bubble.List, "roles"> = {
  assient: {
    placement: "start",
    avatar: {
      icon: <i className="iconfont icon-AI1" />,
      style: { background: "#fde3cf" },
    },
  },
  user: {
    placement: "end",
    avatar: { icon: <UserOutlined />, style: { background: "#87d068" } },
  },
};
type AssistantProps = {
  agent?: AgentItem;
};
export default (props: AssistantProps) => {
  const [value, setValue] = React.useState("");
  const { message } = App.useApp();

  const [agent] = useXAgent<{ role: string; content: string }>({
    baseURL: "http://localhost:3000/ai/chat",
  });

  const { onRequest, messages } = useXChat({ agent });

  const menuConfig: ConversationsProps["menu"] = (conversation) => ({
    items: [
      {
        label: "修改对话名称",
        key: "operation1",
        icon: <EditOutlined />,
      },
      {
        label: "删除对话",
        key: "operation3",
        icon: <DeleteOutlined />,
        danger: true,
      },
    ],
    onClick: (menuInfo) => {
      message.info(`Click ${conversation.key} - ${menuInfo.key}`);
    },
  });

  const [openAttachment, setOpenAttachment] = React.useState(false);
  const attachmentsRef = React.useRef<GetRef<typeof Attachments>>(null);
  const senderRef = React.useRef<GetRef<typeof Sender>>(null);
  const [attachmentItems, setAttachmentItems] = React.useState<GetProp<AttachmentsProps, 'items'>>([]);

  const senderHeader = (
    <Sender.Header
      title="附件"
      styles={{
        content: {
          padding: 0,
        },
      }}
      open={openAttachment}
      onOpenChange={setOpenAttachment}
      forceRender
    >
      <Attachments
        ref={attachmentsRef}
        // Mock not real upload file
        beforeUpload={() => false}
        items={attachmentItems}
        onChange={({ fileList }) => setAttachmentItems(fileList)}
        placeholder={(type) =>
          type === "drop"
            ? {
                title: "拖拽文件到这里",
              }
            : {
                icon: <CloudUploadOutlined />,
                title: "文件列表",
                description: "点击或者拖拽文件到这里上传",
              }
        }
        getDropContainer={() => senderRef.current?.nativeElement}
      />
    </Sender.Header>
  );

  const submitMessage = (message: string) => {
    // onRequest({ role: "user", content: message });
  };

  const handlePromptItem = (item: any) => {
    // onRequest({ role: "user", content: item.data.description });
  };

  return (
    <>
      <Card
        className="w-full h-full"
        styles={{
          body: {
            height: "calc(100% - 48px)",
          },
        }}
        title={
          <span className="flex items-center">
            <img
              className="w-20px h-20px rounded-8px"
              src={props.agent?.icon}
            />
            <span className="ml-4px">{props.agent?.name}</span>
          </span>
        }
      >
        <XProvider direction="ltr">
          <Flex style={{ height: "100%" }} gap={12}>
            <div className="w-200px">
              <div className="w-full px-12px">
                <Button
                  type="primary"
                  className="w-full"
                  icon={<PlusOutlined />}
                >
                  新对话
                </Button>
              </div>
              <Conversations
                style={{ width: 200 }}
                defaultActiveKey="1"
                menu={menuConfig}
                items={[
                  {
                    key: "1",
                    label: "新的对话",
                    icon: <MessageOutlined />,
                  },
                ]}
              />
            </div>
            <Divider type="vertical" style={{ height: "100%" }} />
            <Flex vertical style={{ flex: 1 }} gap={8}>
              <div className="flex-1">
                {!messages.length ? (
                  <>
                    <div className="mt-20 mb-10">
                      <Welcome
                        icon={
                          <img
                            src={props.agent?.icon}
                            className="rounded-8px"
                          />
                        }
                        title={`你好！我是易码工坊${props.agent?.name || "AI"}助手`}
                        description={props.agent?.description}
                      />
                    </div>

                    <Prompts
                      title={
                        props.agent?.promptsItems ? "✨ 你可以这样问我:" : ""
                      }
                      items={props.agent?.promptsItems || []}
                      wrap
                      onItemClick={handlePromptItem}
                    />
                  </>
                ) : (
                  <Bubble.List
                    autoScroll
                    roles={roles}
                    items={
                      []
                      //   messages.map(({ id, message, status }) => ({
                      //   key: id,
                      //   loading: status === "loading",
                      //   role: status === "user" ? "local" : "ai",
                      //   content: message,
                      // }))
                    }
                  />
                )}
              </div>
              <Prompts
                items={[
                  {
                    key: "1",
                    icon: <BulbOutlined style={{ color: "#FFD700" }} />,
                    label: "一句话",
                  },
                  {
                    key: "2",
                    icon: <SmileOutlined style={{ color: "#52C41A" }} />,
                    label: "自动生成",
                  },
                ]}
                onItemClick={handlePromptItem}
              />

              <Suggestion
                items={[{ label: "写一个应用介绍", value: "report" }]}
                onSelect={submitMessage}
              >
                {({ onTrigger, onKeyDown }) => {
                  return (
                    <Sender
                      ref={senderRef}
                      header={senderHeader}
                      prefix={
                        <Button
                          type="text"
                          icon={<LinkOutlined />}
                          onClick={() => {
                            setOpenAttachment(!openAttachment);
                          }}
                        />
                      }
                      value={value}
                      onPasteFile={(file) => {
                        attachmentsRef.current?.upload(file);
                        setOpenAttachment(true);
                      }}
                      onChange={(nextVal) => {
                        if (nextVal === "/") {
                          onTrigger();
                        } else if (!nextVal) {
                          onTrigger(false);
                        }
                        setValue(nextVal);
                      }}
                      onKeyDown={onKeyDown}
                      placeholder="输入/获取快捷提示"
                      onSubmit={submitMessage}
                    />
                  );
                }}
              </Suggestion>
            </Flex>
          </Flex>
        </XProvider>
      </Card>
    </>
  );
};