import {
  Button,
  Input,
  Modal,
  ModalBody,
  ModalCloseButton,
  ModalContent,
  ModalFooter,
  ModalHeader,
  ModalOverlay,
  Select,
  Text,
  useToast
} from "@chakra-ui/react";
import { useState } from "react";

export default function(props: { isOpen: boolean; onClose: () => void }) {
  const [loading, setLoading] = useState(false);
  const [punishment, setPunishment] = useState("");
  const [user, setUser] = useState("");
  const toast = useToast();

  function pasteHandler(e: ClipboardEvent) {
    if (!props.isOpen) return;

    const evidenceElement = document.getElementById(
      "evidence"
    ) as HTMLInputElement;

    if (!evidenceElement.files && e.clipboardData?.files) {
      evidenceElement.files = e.clipboardData.files;
      return;
    }

    if (!evidenceElement.files || !e.clipboardData?.files.length) return;

    if (typeof window["DataTransfer"] === "undefined")
      return alert("Your browser is too old to paste images in.");

    const dataTransfer = new DataTransfer();

    for (const file of evidenceElement.files) dataTransfer.items.add(file);

    dataTransfer.items.add(e.clipboardData.files[0]);

    evidenceElement.files = dataTransfer.files;
  }

  addEventListener("paste", pasteHandler);

  function reset() {
    removeEventListener("paste", pasteHandler);
    (
      document.getElementById("punishment") as unknown as HTMLSelectElement
    ).selectedIndex = -1;
    (document.getElementById("user") as HTMLInputElement).value = "";
    (document.getElementById("evidence") as HTMLInputElement).files = null;

    props.onClose();
  }

  async function submit() {
    setLoading(true);
    const form = new FormData();
    const { files } = document.getElementById("evidence") as HTMLInputElement;

    form.append("user", user);
    form.append("punishment", punishment);

    if (files) {
      for (let i = 0; i < files.length; i++)
        form.append(`file${i}`, files[i], files[i].name);
    }

    const postReq = await fetch("/api/infractions/new", {
      body: form,
      method: "POST"
    });

    if (postReq.ok) {
      setLoading(false);
      toast({
        description: "Infraction created",
        duration: 5000,
        isClosable: true,
        status: "success",
        title: "Success"
      });

      props.onClose();
      return;
    }

    setLoading(false);

    toast({
      description: `Failed to create infraction (${
        ((await postReq.json()) as { error: string }).error
      })`,
      duration: 5000,
      isClosable: true,
      status: "error",
      title: "Error"
    });
  }

  return (
    <Modal
      closeOnEsc={false}
      closeOnOverlayClick={false}
      isCentered
      isOpen={props.isOpen}
      onClose={props.onClose}
    >
      <ModalOverlay />
      <ModalContent>
        <ModalHeader>New Infraction</ModalHeader>
        <ModalCloseButton />
        <ModalBody>
          <Text>User ID</Text>
          <Input
            id="user"
            placeholder="1234567890987654321"
            onChange={(e) => setUser(e.target.value)}
          />
          <br />
          <br />
          <Text>Punishment</Text>
          <Select
            id="punishment"
            onChange={(t) => setPunishment(t.target.value)}
            placeholder="Select punishment"
          >
            <option value="verbal">Verbal Warning</option>
            <option value="warn">Warning</option>
            <option value="mute">Mute</option>
            <option value="ban_temp">Temporary Ban</option>
            <option value="ban_perm">Permanent Ban</option>
            <option value="ban_unappealable">Unappealable Permanent Ban</option>
          </Select>
          <br />
          <br />
          <Text>Evidence</Text>
          <Button
            as="label"
            // @ts-expect-error
            for="evidence"
            mr="8px"
          >
            Select Files
          </Button>
          <input id="evidence" multiple type="file" />
        </ModalBody>
        <ModalFooter>
          <Button onClick={reset}>Cancel</Button>
          <Button
            colorScheme="blue"
            ml="8px"
            onClick={async () => await submit()}
            isLoading={loading}
            loadingText="Submitting..."
          >
            Submit
          </Button>
        </ModalFooter>
      </ModalContent>
    </Modal>
  );
}