import React, { useState, useEffect } from "react";
import { makeStyles } from "@material-ui/core/styles";
import DialogTitle from "@material-ui/core/DialogTitle";
import DialogContent from "@material-ui/core/DialogContent";
import Dialog from "@material-ui/core/Dialog";
import Divider from "@material-ui/core/Divider";
import ButtonSecondary from "../Input/ButtonSecondary";
import IconButton from "@material-ui/core/IconButton";
import TextField from "@material-ui/core/TextField";
import CloseIcon from "@material-ui/icons/Close";
import Stepper from "@material-ui/core/Stepper";
import Step from "@material-ui/core/Step";
import StepLabel from "@material-ui/core/StepLabel";
import Paper from "@material-ui/core/Paper";
import Autocomplete from "@material-ui/lab/Autocomplete";
import InputAdornment from "@material-ui/core/InputAdornment";
import ImageUpload from "../Input/ImageUpload";
import validator from "validator";
import { useHistory } from "react-router-dom";
import InputGoogleMaps from "../Input/InputGoogleMaps";
import { prepareTags } from "../../Services.js";
import axios from "axios";
import { useSelector, useDispatch } from "react-redux";
import { notification, refreshUserData } from "../../actions";
import { showBackdrop, hideBackdrop } from "../../actions/toggles.js";
import InputWorkingHours from "../Input/InputWorkingHours";
import InputLunchMenuHours from "../Input/InputLunchMenuHours";
import { backend, restaurantTypes } from "../../config";
import MenuItem from "@material-ui/core/MenuItem";
import FormControl from "@material-ui/core/FormControl";
import Select from "@material-ui/core/Select";
import InputLabel from "@material-ui/core/InputLabel";
// ICONS
import FastfoodIcon from "@material-ui/icons/Fastfood";
import LocationCityIcon from "@material-ui/icons/LocationCity";
import PhoneIcon from "@material-ui/icons/Phone";
import FacebookIcon from "@material-ui/icons/Facebook";
import InstagramIcon from "@material-ui/icons/Instagram";
import LanguageIcon from "@material-ui/icons/Language";
import ButtonPrimary from "../Input/ButtonPrimary";

// SETUP

const useStyles = makeStyles((theme) => ({
  root: {
    margin: "auto",
    textAlign: "center",
    maxHeight: "90vh",
    "& .MuiPaper-root": {
      width: "auto",
      backgroundColor: "#262626",
      color: "#bbbbbb",
    },
  },
  closeButton: {
    color: "#bbbbbb",
    position: "absolute",
    right: theme.spacing(1),
    top: theme.spacing(1),
  },
  textInput: {
    margin: theme.spacing(2),
    "& .MuiInputBase-root": {
      color: "#bbbbbb",
    },
    "& .MuiInputLabel-root": {
      color: "#bbbbbb",
    },
  },
  textInputFullWidth: {
    marginTop: theme.spacing(2),
    marginBottom: theme.spacing(2),
    "& .MuiInputBase-root": {
      color: "#bbbbbb",
    },
    "& .MuiInputLabel-root": {
      color: "#bbbbbb",
    },
    "$ .MuiFormHelperText-root": {
      color: "#bbbbbb",
    },
  },
  stepLabel: {
    "& .MuiStepLabel-label": {
      color: "#bbbbbb",
    },
    "& .MuiStepLabel-active": {
      color: "#bbbbbb",
    },
  },
  formControl: {
    marginTop: theme.spacing(2),
    marginBottom: theme.spacing(2),
    minWidth: 100,
    maxHeight: 400,
    "& .MuiInputBase-root": {
      color: "#bbbbbb",
    },
    "$ .MuiSelect-root": {
      color: "#bbbbbb",
    },
    "& .MuiInputLabel-root": {
      color: "#bbbbbb",
    },
  },
  selectEmpty: {
    marginTop: theme.spacing(2),
  },
}));

export default function NewRestaurant() {
  useEffect(() => {
    document.title = "Menui - Dodaj lokal";
  });
  const dispatch = useDispatch();
  const initialState = {
    name: "",
    city: "",
    adress: "",
    coordinates: [52.354293, 19.42377],
    placesId: "",
    type: "polska",
    imgUrl: "",
    workingHours: {
      pn: "8:00 - 22:00",
      wt: "8:00 - 22:00",
      sr: "8:00 - 22:00",
      cz: "8:00 - 22:00",
      pt: "8:00 - 22:00",
      sb: "8:00 - 22:00",
      nd: "8:00 - 22:00",
    },
    lunchHours: "12:30 - 13:30",
    description: "",
    tags: [],
    phone: "",
    links: {
      facebook: "",
      instagram: "",
      www: "",
    },
    nameError: false,
    cityError: false,
    adressError: false,
    descriptionError: false,
    charLeft: 400,
  };
  const steps = ["Informacje", "Zdjęcie", "Lokalizacja"];
  const [state, setState] = useState(initialState);
  const [activeStep, setActiveStep] = React.useState(0);
  const styles = useStyles();
  const availableTags = [
    "Płatność kartą",
    "Lubimy zwierzaki",
    "Bezglutenowe",
    "Wegańskie",
    "Wegetariańskie",
    "Podajemy alkohol",
    "Dowozimy",
  ];
  const history = useHistory();
  const token = useSelector((state) => state.data.userData.jwt);

  const availableTypes = restaurantTypes.map((type) => {
    return <MenuItem key={type} value={type}>{type}</MenuItem>
  });

  // HANDLERS

  const sendForm = () => {
    const formattedTags = prepareTags(state.tags);
    const data = {
      name: state.name,
      city: state.city,
      adress: state.adress,
      coordinates: state.coordinates,
      placesId: state.placesId,
      lunchHours: state.lunchHours,
      type: state.type,
      imgUrl: state.imgUrl,
      workingHours: state.workingHours,
      description: state.description,
      tags: formattedTags,
      links: state.links,
      phone: state.phone,
      hidden: false,
    };
    dispatch(showBackdrop());
    axios({
      url: backend + "restaurant",
      method: "POST",
      data: data,
      headers: {
        "x-auth-token": token,
      },
    })
      .then((response) => {
        dispatch(hideBackdrop());
        dispatch(
          notification(
            "Lokal został dodany, aktywuj subskrypcję, aby był widoczny w wynikach wyszukiwania.",
            "success"
          )
        );
        dispatch(refreshUserData());
        history.push("/");
      })
      .catch((error) => {
        dispatch(hideBackdrop());
        console.log(error);
        dispatch(
          notification(
            "Wystąpił nieoczekiwany błąd, przepraszamy za utrudnienia. Spróbuj ponownie za chwilę.",
            "error"
          )
        );
        history.push("/");
        throw error;
      });
  };

  const setLunchHours = (hours) => {
    setState({ ...state, lunchHours: hours });
  }

  const setCoordinatesAndPlacesID = (coordinates, placesID) => {
    if (!placesID) {
      setState({ ...state, coordinates: coordinates });
    } else {
      setState({ ...state, coordinates: coordinates, placesId: placesID });
    }
  };

  const handleNextButton = () => {
    switch (activeStep) {
      case 0:
        if (validateForm()) {
          setActiveStep(1);
        }
        break;
      case 1:
        if (!validator.isEmpty(state.imgUrl)) {
          setActiveStep(2);
        }
        break;
      case 2:
        sendForm();
        break;
      default:
        break;
    }
  };

  const handleImageUploaded = (link) => {
    setState({ ...state, imgUrl: link });
  };

  const handleDescriptionChange = (event) => {
    let stringLength = event.target.value.length;
    let charleft = 400 - stringLength;
    setState({ ...state, description: event.target.value, charLeft: charleft });
  };

  const handlePreviousButton = () => {
    setActiveStep(activeStep - 1);
  };

  const validateForm = () => {
    const validation = {
      nameValid: validator.isLength(state.name, { min: 1, max: 40 }),
      cityValid: validator.isLength(state.city, { min: 1, max: 40 }),
      adressValid: validator.isLength(state.name, { min: 1, max: 40 }),
      descriptionValid: validator.isLength(state.description, {
        min: 1,
        max: 400,
      }),
    };
    setState({
      ...state,
      nameError: !validation.nameValid,
      cityError: !validation.cityValid,
      adressError: !validation.adressValid,
      descriptionError: !validation.descriptionValid,
    });

    return (
      validation.nameValid &&
      validation.cityValid &&
      validation.adressValid &&
      validation.descriptionValid
    );
  };

  // COMPONENTS

  return (
    <div>
      <Dialog
        className={styles.root}
        open={true}
        aria-labelledby="newRestaurant-title"
      >
        <DialogTitle id="newRestaurant-title">Dodaj Lokal</DialogTitle>
        <IconButton
          className={styles.closeButton}
          onClick={() => history.goBack()}
          aria-label="close"
        >
          <CloseIcon />
        </IconButton>
        <Divider />
        <DialogContent>
          <Stepper activeStep={activeStep} alternativeLabel>
            {steps.map((label) => (
              <Step key={label}>
                <StepLabel className={styles.stepLabel}>{label}</StepLabel>
              </Step>
            ))}
          </Stepper>

          {activeStep === 0 && (
            <Paper variant="outlined">
              <div className="newRestaurant-content-fullwidth">
                <TextField
                  className={styles.textInputFullWidth}
                  fullWidth
                  required
                  error={state.nameError}
                  value={state.name}
                  label="Nazwa lokalu"
                  placeholder="np. Pierożek"
                  variant="outlined"
                  onChange={(event) =>
                    setState({ ...state, name: event.target.value })
                  }
                  InputProps={{
                    startAdornment: (
                      <InputAdornment position="start">
                        <FastfoodIcon color="primary" />
                      </InputAdornment>
                    ),
                  }}
                />
              </div>
              <div className="newRestaurant-content-fullwidth">
              <FormControl
                variant="outlined"
                required
                fullWidth
                className={styles.formControl}
              >
                <InputLabel id="category-select">Kuchnia</InputLabel>
                <Select
                  labelId="category-select"
                  id="category"
                  value={state.type}
                  required
                  onChange={(event) => setState({ ...state, type: event.target.value })}
                >
                  {availableTypes}
                </Select>
              </FormControl>
              </div>
              <div className="newRestaurant-content">
                <TextField
                  className={styles.textInput}
                  required
                  label="Miasto"
                  placeholder="np. Ciechanów"
                  error={state.cityError}
                  value={state.city}
                  variant="outlined"
                  onChange={(event) =>
                    setState({ ...state, city: event.target.value })
                  }
                  InputProps={{
                    startAdornment: (
                      <InputAdornment position="start">
                        <LocationCityIcon color="primary" />
                      </InputAdornment>
                    ),
                  }}
                />
                <TextField
                  className={styles.textInput}
                  required
                  label="Adres"
                  placeholder="np. Akacjowa 13"
                  variant="outlined"
                  error={state.adressError}
                  value={state.adress}
                  onChange={(event) =>
                    setState({ ...state, adress: event.target.value })
                  }
                  InputProps={{
                    startAdornment: (
                      <InputAdornment position="start">
                        <LocationCityIcon color="primary" />
                      </InputAdornment>
                    ),
                  }}
                />
                <InputWorkingHours
                  hours={state.workingHours}
                  setHours={(hours) =>
                    setState({ ...state, workingHours: hours })
                  }
                />
                 <div className="newRestaurant-content-fullwidth">
                 <div className="workingHours-container" style={{ marginTop: 14 }}>
                <InputLunchMenuHours nieczynne={!state.lunchHours} hours={state.lunchHours} changeValue={(value) => setLunchHours(value)}/></div>
              </div>
                <div className="newRestaurant-content-fullwidth">
                  <TextField
                    className={styles.textInputFullWidth}
                    fullWidth
                    label="Opis"
                    value={state.description}
                    onChange={(event) => handleDescriptionChange(event)}
                    multiline
                    error={state.descriptionError}
                    rows={3}
                    rowsMax={8}
                    variant="outlined"
                    helperText={"Pozostałe znaki: " + state.charLeft}
                    FormHelperTextProps={{
                      style: { color: "#bbbbbb" },
                    }}
                    required
                  />
                  <Autocomplete
                    multiple
                    options={availableTags}
                    value={state.tags}
                    onChange={(event, values) =>
                      setState({ ...state, tags: values })
                    }
                    renderInput={(params) => (
                      <TextField
                        {...params}
                        className={styles.textInputFullWidth}
                        variant="outlined"
                        label="Tagi"
                        placeholder="Wybierz tagi"
                      />
                    )}
                  />
                </div>
                <TextField
                  className={styles.textInput}
                  label="Telefon"
                  type="tel"
                  variant="outlined"
                  value={state.phone}
                  onChange={(event) =>
                    setState({ ...state, phone: event.target.value })
                  }
                  InputProps={{
                    startAdornment: (
                      <InputAdornment position="start">
                        <PhoneIcon color="primary" />
                      </InputAdornment>
                    ),
                  }}
                />
                <TextField
                  className={styles.textInput}
                  label="Facebook"
                  variant="outlined"
                  value={state.links.facebook}
                  onChange={(event) =>
                    setState({
                      ...state,
                      links: { ...state.links, facebook: event.target.value },
                    })
                  }
                  InputProps={{
                    startAdornment: (
                      <InputAdornment position="start">
                        <FacebookIcon color="primary" />
                      </InputAdornment>
                    ),
                  }}
                />
                <TextField
                  className={styles.textInput}
                  label="Instagram"
                  variant="outlined"
                  value={state.links.instagram}
                  onChange={(event) =>
                    setState({
                      ...state,
                      links: { ...state.links, instagram: event.target.value },
                    })
                  }
                  InputProps={{
                    startAdornment: (
                      <InputAdornment position="start">
                        <InstagramIcon color="primary" />
                      </InputAdornment>
                    ),
                  }}
                />
                <TextField
                  className={styles.textInput}
                  label="www"
                  variant="outlined"
                  value={state.links.www}
                  onChange={(event) =>
                    setState({
                      ...state,
                      links: { ...state.links, www: event.target.value },
                    })
                  }
                  InputProps={{
                    startAdornment: (
                      <InputAdornment position="start">
                        <LanguageIcon color="primary" />
                      </InputAdornment>
                    ),
                  }}
                />
              </div>
            </Paper>
          )}
          {activeStep === 1 && (
            <Paper>
              <h4>Dodaj zdjęcie lokalu.</h4>
              <ImageUpload
                img={state.imgUrl}
                onUpload={(link) => handleImageUploaded(link)}
              />
            </Paper>
          )}
          {activeStep === 2 && (
            <Paper>
              <p>
                Kliknij w miejscu, w którym znajduje się Twoja restauracja, by
                dodać marker. <br />
                Jeżeli lokal znajduje się na mapie - kliknij jego ikonkę.
              </p>
              <InputGoogleMaps
                setCoordinates={(coordinates, placesID) =>
                  setCoordinatesAndPlacesID(coordinates, placesID)
                }
                coordinates={state.coordinates}
              />
            </Paper>
          )}
          <div className="newRestaurant-bottom">
            {activeStep !== 0 && (
              <ButtonPrimary onClick={handlePreviousButton} text="Cofnij" />
            )}
            <ButtonSecondary
              onClick={handleNextButton}
              text={activeStep === 2 ? "Dodaj lokal" : "Dalej"}
            />
          </div>
        </DialogContent>
      </Dialog>
    </div>
  );
}