"use client";

import React from "react";
import {
  Box,
  MenuItem,
  Paper,
  TextField,
  Typography,
  Switch,
  FormControlLabel,
  Button,
} from "@mui/material";
import { DatePicker } from "@mui/x-date-pickers";
import { Form, type FormikProps } from "formik";
import { format, parseISO, isValid } from "date-fns-jalali";

import type { JobInfoFormProps, JobInfoFormValues } from "./types";
import { retirementOptions } from "./constant";

type Props = FormikProps<JobInfoFormValues> & JobInfoFormProps;

export default function InnerJobInfoForm(props: Props) {
  const {
    values,
    errors,
    touched,
    handleChange,
    setFieldValue,
    isSubmitting,
  } = props;

  const handleBack = () => {
    props.update({ jobInfo: values });
    props.setStep(props.step - 1);
  };

  const handleDateChange = (date: Date | null) => {
    if (date && isValid(date)) {
      const formattedDate = format(date, "yyyy-MM-dd");
      setFieldValue("readyToWorkDate", formattedDate);
    } else {
      setFieldValue("readyToWorkDate", "");
    }
  };

  // Helper برای تبدیل رشته تاریخ به شیء Date جهت نمایش در DatePicker
  const getDateValue = () => {
    if (!values.readyToWorkDate) return null;
    const parsed = parseISO(values.readyToWorkDate);
    return isValid(parsed) ? parsed : null;
  };

  return (
    <Form>
      <Paper
        elevation={0}
        sx={{
          p: { xs: 2, md: 3 },
          borderRadius: "24px",
          border: "1px solid #e2e8f0",
          backgroundColor: "#fff",
        }}
      >
        <Typography variant="h6" sx={{ mb: 3, fontWeight: "bold" }}>
          اطلاعات شغلی و بیمه
        </Typography>

        <Box
          sx={{
            display: "grid",
            gridTemplateColumns: { xs: "1fr", md: "1fr 1fr" },
            gap: 3,
          }}
        >
          {/* تاریخ آمادگی */}
          <DatePicker
            label="تاریخ آمادگی برای شروع کار*"
            value={getDateValue()}
            onChange={handleDateChange}
            slotProps={{
              textField: {
                fullWidth: true,
                error: !!errors.readyToWorkDate && !!touched.readyToWorkDate,
                helperText: touched.readyToWorkDate ? errors.readyToWorkDate : "",
              },
            }}
          />

          {/* وضعیت بازنشستگی */}
          <TextField
            select
            label="وضعیت بازنشستگی*"
            name="retirementStatus"
            value={values.retirementStatus}
            onChange={handleChange}
            fullWidth
            error={!!errors.retirementStatus && !!touched.retirementStatus}
            helperText={touched.retirementStatus ? errors.retirementStatus : ""}
          >
            {retirementOptions.map((opt) => (
              <MenuItem key={opt.value} value={opt.value}>
                {opt.label}
              </MenuItem>
            ))}
          </TextField>

          {/* سوییچ‌ها */}
          {[
            { name: "isCurrentEmployee", label: "از پرسنل حال حاضر هستم" },
            { name: "hasPastCooperation", label: "سابقه همکاری در گذشته دارم" },
            { name: "isCurrentlyEmployed", label: "در حال حاضر مشغول به کار هستم" },
            { name: "dualJobInterest", label: "تمایل به شغل دوم دارم" },
            { name: "isMilitary", label: "نظامی هستم" },
          ].map((sw) => (
            <FormControlLabel
              key={sw.name}
              control={
                <Switch
                  checked={(values as any)[sw.name]}
                  onChange={(e) => setFieldValue(sw.name, e.target.checked)}
                />
              }
              label={sw.label}
            />
          ))}

          <FormControlLabel
            control={
              <Switch
                checked={values.hasInsurance}
                onChange={(e) => {
                  const checked = e.target.checked;
                  setFieldValue("hasInsurance", checked);
                  if (!checked) {
                    setFieldValue("insuranceType", "");
                    setFieldValue("totalInsuranceYears", "0");
                  }
                }}
              />
            }
            label="دارای سابقه بیمه هستم"
          />

          {/* فیلدهای شرطی بیمه */}
          {values.hasInsurance && (
            <>
              <TextField
                label="نوع بیمه*"
                name="insuranceType"
                value={values.insuranceType}
                onChange={handleChange}
                fullWidth
                error={!!errors.insuranceType && !!touched.insuranceType}
                helperText={touched.insuranceType ? errors.insuranceType : ""}
              />
              <TextField
                type="number"
                label="جمع سال‌های سابقه بیمه*"
                name="totalInsuranceYears"
                value={values.totalInsuranceYears}
                onChange={handleChange}
                fullWidth
                error={!!errors.totalInsuranceYears && !!touched.totalInsuranceYears}
                helperText={
                  touched.totalInsuranceYears ? errors.totalInsuranceYears : ""
                }
              />
            </>
          )}
        </Box>

        {/* Buttons */}
        <Box
          sx={{
            display: "flex",
            justifyContent: "space-between",
            mt: 4,
          }}
        >
          <Button
            disabled={props.step === 1 || isSubmitting}
            onClick={handleBack}
            sx={{ borderRadius: "12px", color: "#64748b", fontWeight: 700 }}
          >
            بازگشت
          </Button>

          <Button
            variant="contained"
            type="submit"
            disabled={isSubmitting}
            sx={{
              borderRadius: "12px",
              px: 4,
              py: 1.5,
              bgcolor: props.step === 12 ? "green" : "#2563eb",
              fontWeight: 700,
            }}
          >
            {props.step === 12 ? "اتمام و ثبت نهایی" : "گام بعدی"}
          </Button>
        </Box>
      </Paper>
    </Form>
  );
}