import {
  Autocomplete,
  Avatar,
  Box,
  IconButton,
  ListItem,
  ListItemAvatar,
  ListItemButton,
  ListItemSecondaryAction,
  ListItemText,
  TextField,
  Typography,
  autocompleteClasses,
} from "@mui/material";
import ClearIcon from "@mui/icons-material/Clear";
import { Member, fmtDate } from "../../api/MemberApi";
import { useFamily } from "../BaseFamilyRoute";
import React from "react";
import { MemberPhoto } from "../MemberPhoto";
import Icon from "@mdi/react";
import { mdiCross } from "@mdi/js";
import { useNavigate } from "react-router-dom";

export function MemberInput(p: {
  editable: boolean;
  current?: number;
  onValueChange: (n?: number) => void;
  label: string;
  filter: (m: Member) => boolean;
}): React.ReactElement {
  const n = useNavigate();
  const family = useFamily();

  const choices = family.members.filter(p.filter);

  const [inputValue, setInputValue] = React.useState("");

  if (p.current) {
    const member = family.members.get(p.current)!;
    return (
      <div style={{ display: "flex", alignItems: "center" }}>
        <Typography variant="body2">{p.label}</Typography>
        <MemberItem
          member={member}
          onClick={
            !p.editable
              ? () => {
                  n(family.family.URL(`member/${member.id}`));
                }
              : undefined
          }
          secondary={
            p.editable ? (
              <>
                <IconButton
                  edge="end"
                  onClick={() => p.onValueChange(undefined)}
                >
                  <ClearIcon />
                </IconButton>
              </>
            ) : undefined
          }
        />
      </div>
    );
  }

  if (!p.editable) return <></>;

  return (
    <Autocomplete
      value={p.current ? family.members.get(p.current) : undefined}
      onChange={(_event: any, newValue: Member | null | undefined) => {
        p.onValueChange(newValue?.id);
      }}
      inputValue={inputValue}
      onInputChange={(_event, newInputValue) => {
        setInputValue(newInputValue);
      }}
      options={choices}
      sx={{ width: "100%" }}
      filterOptions={(options, state) =>
        options.filter((m) =>
          m?.fullName.toLowerCase().includes(state.inputValue)
        )
      }
      getOptionLabel={(o) => o?.fullName ?? ""}
      renderInput={(params) => <TextField {...params} label={p.label} />}
      renderOption={(_props, option, _state) => (
        <MemberItem
          member={option}
          onClick={() => p.onValueChange(option?.id)}
        />
      )}
    />
  );
}

function MemberItem(p: {
  member?: Member;
  onClick?: () => void;
  secondary?: React.ReactElement;
}): React.ReactElement {
  return (
    <ListItemButton onClick={p.onClick}>
      <ListItemAvatar>
        <MemberPhoto member={p.member!} />
      </ListItemAvatar>
      <ListItemText
        primary={
          <>
            {p.member?.fullName}{" "}
            {p.member?.dead && <Icon path={mdiCross} size={"1rem"} />}
          </>
        }
        secondary={`${fmtDate(p.member?.dateOfBirth)} - ${fmtDate(
          p.member?.dateOfDeath
        )}`}
      />
      {p.secondary && (
        <ListItemSecondaryAction>{p.secondary}</ListItemSecondaryAction>
      )}
    </ListItemButton>
  );
}