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

export default function(props: {
  departments: string[];
  isOpen: boolean;
  onClose: () => void;
}) {
  const [departments, setDepartments] = useState([] as string[]);
  const [loading, setLoading] = useState(false)
  const toast = useToast();

  function reset() {
    (document.getElementById("start") as HTMLInputElement).value = "";
    (document.getElementById("end") as HTMLInputElement).value = "";
    (document.getElementById("reason") as HTMLTextAreaElement).value = "";

    props.onClose();
  }

  async function submit() {
    setLoading(true)
    const start = (document.getElementById("start") as HTMLInputElement).value;
    const end = (document.getElementById("start") as HTMLInputElement).value;
    const reason = (document.getElementById("reason") as HTMLTextAreaElement)
      .value;

    if (!departments.length) {
       toast({
         title: 'Validation Error',
         description: 'You need to select at least one department',
         status: "error"
       })

      setLoading(false)
      return;
    }

    const inactivityPost = await fetch("/api/inactivity/new", {
      body: JSON.stringify({
        departments,
        end,
        reason,
        start
      }),
      headers: {
        "content-type": "application/json"
      },
      method: "POST"
    });

    if (!inactivityPost.ok) {
      setLoading(false)
      toast({
        description: ((await inactivityPost.json()) as { error: string }).error,
        duration: 10000,
        isClosable: true,
        status: "error",
        title: "Error"
      });

      return;
    }

    toast({
      description: "Your inactivity notice has been created",
      duration: 10000,
      isClosable: true,
      status: "success",
      title: "Success"
    });

    setLoading(true)
    props.onClose();
  }

  return (
    <>
      <Modal isCentered isOpen={props.isOpen} onClose={props.onClose}>
        <ModalOverlay />
        <ModalContent>
          <ModalHeader>New Inactivity Notice</ModalHeader>
          <ModalCloseButton />
          <ModalBody>
            <Text>Start Date</Text>
            <input id="start" type="date" />
            <br />
            <br />
            <Text>End Date</Text>
            <input id="end" type="date" />
            <br />
            <br />
            <Text>Reason</Text>
            <Textarea
              id="reason"
              placeholder="Your reason for making this inactivity notice"
            />
            <br />
            <br />
            <CheckboxGroup onChange={(a: string[]) => setDepartments(a)}>
              <VStack>
                {props.departments.map((d) => (
                  <Checkbox key={d} value={d}>
                    {d}
                  </Checkbox>
                ))}
              </VStack>
            </CheckboxGroup>
          </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>
    </>
  );
}