import {
  Box,
  Button,
  MenuItem,
  Paper,
  TextField,
  Typography,
} from "@mui/material";
import { ErrorMessage, Form, FormikProps } from "formik";
import { IdentityFormValues } from "@/core/types";
import { IdentityFormProps } from "./IdentityForm";
import { UploadFile } from "@mui/icons-material";
import { genderOptions, religionOptions } from "@/core/constant";
import { useState } from "react";
export default function InnerIdentityForm(
  props: FormikProps<IdentityFormValues> & IdentityFormProps,
) {
  console.log(props.data)
  const handleBack = () => {
    // قبل از رفتن به عقب، مقادیر فعلی فرم را در استیت والد ذخیره کن
    props.update({ identity: props.values });
    props.setStep(props.step - 1);
  };
  const [profilePhoto, setProfilePhoto] = useState<File | null>(null);
  const [profilePhotoError, setProfilePhotoError] = useState<string>("");

  const handleProfilePhotoChange = (
    event: React.ChangeEvent<HTMLInputElement>,
  ) => {
    const file = event.target.files?.[0];

    if (!file) return;

    if (!file.type.startsWith("image/")) {
      setProfilePhoto(null);
      setProfilePhotoError("فقط فایل تصویری مجاز است");
      return;
    }

    const maxSize = 500 * 1024; // 500KB
    if (file.size > maxSize) {
      setProfilePhoto(null);
      setProfilePhotoError("حجم عکس باید حداکثر ۵۰۰ کیلوبایت باشد");
      return;
    }

    setProfilePhoto(file);
    setProfilePhotoError("");
  };

  return (
    <Box>
      <Paper
        elevation={0}
        sx={{
          width: "100%",
          background: "#ffffff",
        }}
      >
        <Form>
          <div
            style={{
              display: "grid",
              gridTemplateColumns: "repeat(auto-fit, minmax(340px, 1fr))",
              gap: "18px",
            }}
          >
            <div>
              <TextField
                label="نام"
                value={props.values.firstName}
                onChange={(e) =>
                  props.setFieldValue("firstName", e.target.value)
                }
                error={!!props.errors.firstName}
                helperText={props.errors.firstName}
                fullWidth
                required
              />
              <ErrorMessage component={"div"} name="firstName" />
            </div>

            <TextField
              label="نام خانوادگی"
              value={props.values.lastName}
              onChange={(e) => props.setFieldValue("lastName", e.target.value)}
              error={!!props.errors.lastName}
              helperText={props.errors.lastName}
              fullWidth
              required
            />

            <TextField
              label="نام پدر"
              value={props.values.fatherName}
              onChange={(e) =>
                props.setFieldValue("fatherName", e.target.value)
              }
              fullWidth
            />

            <TextField
              label="کد ملی"
              value={props.values.nationalCode}
              onChange={(e) =>
                props.setFieldValue("nationalCode", e.target.value)
              }
              error={!!props.errors.nationalCode}
              helperText={props.errors.nationalCode}
              fullWidth
              required
            />

            {/* <DatePicker
              label="تاریخ تولد"
              value={props.values.birthDate}
              onChange={(newValue) =>
                 props.setFieldValue("birthDate", newValue)
              }
              slotProps={{
                textField: {
                  fullWidth: true,
                  error: !!props.errors.birthDate,
                  helperText: props.errors.birthDate,
                },
              }}
            /> */}

            <TextField
              label="محل تولد"
              value={props.values.birthPlace}
              onChange={(e) =>
                props.setFieldValue("birthPlace", e.target.value)
              }
              fullWidth
            />

            <TextField
              select
              label="جنسیت"
              value={props.values.gender}
              onChange={(e) => props.setFieldValue("gender", e.target.value)}
              error={!!props.errors.gender}
              helperText={props.errors.gender}
              fullWidth
              required
            >
              {genderOptions.map((item) => (
                <MenuItem key={item.id} value={item.value}>
                  {item.label}
                </MenuItem>
              ))}
            </TextField>

            <TextField
              select
              label="دین"
              value={props.values.religion}
              onChange={(e) => props.setFieldValue("religion", e.target.value)}
              fullWidth
            >
              {religionOptions.map((item) => (
                <MenuItem key={item} value={item}>
                  {item}
                </MenuItem>
              ))}
            </TextField>

            <TextField
              label="ملیت"
              value={props.values.nationality}
              onChange={(e) =>
                props.setFieldValue("nationality", e.target.value)
              }
              error={!!props.errors.nationality}
              helperText={props.errors.nationality}
              fullWidth
              required
            />

            <Box
              sx={{
                width: "100%",
                border: profilePhotoError
                  ? "1px solid #ef4444"
                  : "1px dashed #cbd5e1",
                borderRadius: "18px",
                backgroundColor: "#f8fafc",
                p: 2,
                minHeight: "100%",
                transition: "all 0.2s ease",
                "&:hover": {
                  borderColor: profilePhotoError ? "#ef4444" : "#2563eb",
                  backgroundColor: "#f8fbff",
                },
              }}
            >
              <Typography
                sx={{
                  fontWeight: 700,
                  color: "#0f172a",
                  mb: 1.5,
                  fontSize: "0.95rem",
                }}
              >
                عکس پرسنلی
              </Typography>

              <Typography
                sx={{
                  color: "#64748b",
                  fontSize: "0.82rem",
                  mb: 2,
                  lineHeight: 1.8,
                }}
              >
                فقط فایل تصویری مجاز است و حجم آن باید حداکثر ۵۰۰ کیلوبایت باشد.
              </Typography>

              <Button
                component="label"
                variant="outlined"
                startIcon={<UploadFile />}
                sx={{
                  borderRadius: "12px",
                  borderColor: "#cbd5e1",
                  color: "#2563eb",
                  fontWeight: 700,
                  px: 2.5,
                  "&:hover": {
                    borderColor: "#2563eb",
                    backgroundColor: "#eff6ff",
                  },
                }}
              >
                انتخاب عکس
                <input
                  hidden
                  type="file"
                  accept="image/*"
                  onChange={handleProfilePhotoChange}
                />
              </Button>

              {profilePhoto && (
                <Typography
                  sx={{
                    mt: 1.5,
                    fontSize: "0.82rem",
                    color: "#475569",
                    wordBreak: "break-word",
                  }}
                >
                  فایل انتخاب‌شده: {profilePhoto.name}
                </Typography>
              )}

              {profilePhotoError && (
                <Typography
                  sx={{
                    mt: 1.5,
                    color: "#dc2626",
                    fontSize: "0.8rem",
                    fontWeight: 600,
                  }}
                >
                  {profilePhotoError}
                </Typography>
              )}
            </Box>
          </div>
          <Box
            sx={{
              display: "flex",
              justifyContent: "space-between",
              mt: 5,
              width: "100%",
            }}
          >
            <Button
              disabled={props.step === 1}
              type="button"
              onClick={handleBack}
              sx={{
                borderRadius: "12px",
                color: "#64748b",
                fontWeight: 700,
              }}
            >
              بازگشت
            </Button>
            <Button
              variant="contained"
              type="submit"
              sx={{
                borderRadius: "12px",
                px: 4,
                py: 1.5,
                bgcolor: `${props.step === 12 ? "green" : "#2563eb"}`,
                fontWeight: 700,
              }}
            >
              {props.step === 12 ? "اتمام و ثبت نهايي" : "گام بعدی"}
            </Button>
          </Box>
        </Form>
      </Paper>
    </Box>
  );
}