import { useEffect, useState } from "react";
import {
  Typography,
  TextField,
  Button,
  RadioGroup,
  Radio,
  FormControlLabel,
  Select,
} from "@mui/material";
import { Formik, Field, Form } from "formik";
import { DesktopDatePicker } from "@mui/x-date-pickers/DesktopDatePicker";
import MenuItem from "@mui/material/MenuItem";
import theme from "../../../../theme";
import { requestPrivileges } from "@root/services/privilegies.service";
import { usePrivilegeStore } from "@root/stores/privilegesStore";
import { useCartStore } from "@root/stores/cart";

import type { TextFieldProps } from "@mui/material";

type BonusType = "discount" | "privilege";
type LayerType = "privilege" | "service";
type FormValues = {
  codeword: string;
  description: string;
  greetings: string;
  dueTo: string;
  activationCount: string;
  privilegeId: string;
  amount: string;
  layer: string;
  factor: string;
  target: string;
  threshold: string;
};

type CustomTextFieldProps = {
  name: string;
  label: string;
  required?: boolean;
};

const CustomTextField = ({
  name,
  label,
  required = false,
}: CustomTextFieldProps) => (
  <Field
    name={name}
    label={label}
    required={required}
    variant="filled"
    color="secondary"
    as={TextField}
    sx={{ width: "100%", marginTop: "15px" }}
    InputProps={{
      style: {
        backgroundColor: theme.palette.content.main,
        color: theme.palette.secondary.main,
      },
    }}
    InputLabelProps={{
      style: { color: theme.palette.secondary.main },
    }}
  />
);

export const CreatePromocodeForm = () => {
  const [dueTo, setDueTo] = useState<Date | null>(new Date());
  const [bonusType, setBonusType] = useState<BonusType>("discount");
  const [layerType, setLayerType] = useState<LayerType>("privilege");

  const { privileges } = usePrivilegeStore();
  const { cartData } = useCartStore();

  const initialValues: FormValues = {
    codeword: "",
    description: "",
    greetings: "",
    dueTo: "",
    activationCount: "",
    privilegeId: "",
    amount: "",
    layer: "",
    factor: "",
    target: "",
    threshold: "",
  };

  useEffect(() => {
    requestPrivileges();
  }, []);

  const createPromocode = (values: FormValues) => {
    console.log(values);
  };

  return (
    <Formik initialValues={initialValues} onSubmit={createPromocode}>
      {(props) => (
        <Form
          style={{
            width: "100%",
            maxWidth: "600px",
          }}
        >
          <CustomTextField name="codeword" label="Кодовое слово" required />
          <CustomTextField name="description" label="Описание" required />
          <CustomTextField
            name="greetings"
            label="Приветственное сообщение"
            required
          />
          <Typography
            variant="h4"
            sx={{
              height: "40px",
              fontWeight: "normal",
              marginTop: "15px",
              color: theme.palette.secondary.main,
            }}
          >
            Время существования промокода
          </Typography>
          <Field
            name="dueTo"
            as={DesktopDatePicker}
            inputFormat="DD/MM/YYYY"
            value={dueTo}
            onChange={(date: Date | null) => {
              if (date) {
                setDueTo(date);
              }
            }}
            renderInput={(params: TextFieldProps) => <TextField {...params} />}
            InputProps={{
              sx: {
                height: "40px",
                color: theme.palette.secondary.main,
                border: "1px solid",
                borderColor: theme.palette.secondary.main,
                "& .MuiSvgIcon-root": { color: theme.palette.secondary.main },
              },
            }}
          />
          <CustomTextField
            name="activationCount"
            label="Количество активаций промокода"
          />
          <RadioGroup
            row
            name="bonusType"
            value={bonusType}
            sx={{ marginTop: "15px" }}
            onChange={({ target }: React.ChangeEvent<HTMLInputElement>) => {
              setBonusType(target.value as BonusType);
            }}
            onBlur={props.handleBlur}
          >
            <FormControlLabel
              value="discount"
              control={<Radio color="secondary" />}
              label="Скидка"
            />
            <FormControlLabel
              value="privilege"
              control={<Radio color="secondary" />}
              label="Привилегия"
            />
          </RadioGroup>
          {bonusType === "discount" && (
            <>
              <RadioGroup
                row
                name="layer"
                value={layerType}
                sx={{ marginTop: "15px" }}
                onChange={({ target }: React.ChangeEvent<HTMLInputElement>) => {
                  setLayerType(target.value as LayerType);
                }}
                onBlur={props.handleBlur}
              >
                <FormControlLabel
                  value="privilege"
                  control={<Radio color="secondary" />}
                  label="Привилегия"
                />
                <FormControlLabel
                  value="service"
                  control={<Radio color="secondary" />}
                  label="Сервис"
                />
              </RadioGroup>
              <CustomTextField name="factor" label="Процент скидки" required />
              <Typography
                variant="h4"
                sx={{
                  height: "40px",
                  fontWeight: "normal",
                  marginTop: "15px",
                  padding: "0 12px",
                  color: theme.palette.secondary.main,
                }}
              >
                {layerType === "privilege"
                  ? "Выбор привилегии"
                  : "Выбор сервиса"}
              </Typography>
              <Field
                name="target"
                as={Select}
                label={layerType === "privilege" ? "Привилегия" : "Сервис"}
                sx={{
                  width: "100%",
                  border: "2px solid",
                  color: theme.palette.secondary.main,
                  borderColor: theme.palette.secondary.main,
                  "&.Mui-focused .MuiOutlinedInput-notchedOutline": {
                    border: "none",
                  },
                  ".MuiSvgIcon-root ": { fill: theme.palette.secondary.main },
                }}
                children={
                  layerType === "privilege"
                    ? privileges.map(({ name, privilegeId }) => (
                        <MenuItem key={privilegeId} value={privilegeId}>
                          {name}
                        </MenuItem>
                      ))
                    : cartData?.services.map(({ serviceKey }) => (
                        <MenuItem key={serviceKey} value={serviceKey}>
                          {serviceKey}
                        </MenuItem>
                      ))
                }
              />
              <CustomTextField
                name="threshold"
                label="При каком значении применяется скидка"
                required
              />
            </>
          )}
          {bonusType === "privilege" && (
            <>
              <Typography
                variant="h4"
                sx={{
                  height: "40px",
                  fontWeight: "normal",
                  marginTop: "15px",
                  padding: "0 12px",
                  color: theme.palette.secondary.main,
                }}
              >
                Выбор привилегии
              </Typography>
              <Field
                name="privilegeId"
                as={Select}
                label="Привилегия"
                sx={{
                  width: "100%",
                  border: "2px solid",
                  color: theme.palette.secondary.main,
                  borderColor: theme.palette.secondary.main,
                  "&.Mui-focused .MuiOutlinedInput-notchedOutline": {
                    border: "none",
                  },
                  ".MuiSvgIcon-root ": { fill: theme.palette.secondary.main },
                }}
                children={privileges.map(({ name, privilegeId }) => (
                  <MenuItem key={privilegeId} value={privilegeId}>
                    {name}
                  </MenuItem>
                ))}
              />
              <CustomTextField name="amount" label="Количество" required />
            </>
          )}
          <Button
            variant="contained"
            sx={{
              display: "block",
              padding: "10px",
              margin: "15px auto 0",
              fontWeight: "normal",
              fontSize: "18px",
              backgroundColor: theme.palette.menu.main,
              "&:hover": { backgroundColor: theme.palette.grayMedium.main },
            }}
            type="submit"
          >
            Cоздать
          </Button>
        </Form>
      )}
    </Formik>
  );
};