"use client";

import React from "react";
import {
  Box,
  MenuItem,
  Paper,
  TextField,
  Typography,
  Divider,
  Switch,
  FormControlLabel,
  Button,
} from "@mui/material";
import { Form, type FormikProps } from "formik";
import type { SkillsFormProps, SkillsFormValues } from "./types";
import { certTypes, proficiencyOptions } from "./constant";

type Props = FormikProps<SkillsFormValues> & SkillsFormProps;

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

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

  const compFields = [
    "pcUsage",
    "word",
    "excel",
    "powerPoint",
    "rahkaran",
    "kasra",
    "didgah",
    "his",
  ] as const;

  return (
    <Form>
      <Box sx={{ display: "grid", gap: 3 }}>
        
        {/* 1. Computer Skills Section */}
        <Paper
          elevation={0}
          sx={{
            p: { xs: 2, md: 3 },
            borderRadius: "24px",
            border: "1px solid #e2e8f0",
            backgroundColor: "#ffffff",
          }}
        >
          <Typography variant="h6" sx={{ mb: 3, fontWeight: "bold", color: "#0f172a" }}>
            مهارت‌های کامپیوتری
          </Typography>
          
          <Box sx={{ display: "grid", gridTemplateColumns: { xs: "1fr", md: "repeat(4, 1fr)" }, gap: 2 }}>
            {compFields.map((field) => {
              const hasError = !!errors.computerSkill?.[field] && !!touched.computerSkill?.[field];
              return (
                <TextField
                  key={field}
                  select
                  label={field.toUpperCase()}
                  name={`computerSkill.${field}`}
                  value={values.computerSkill[field]}
                  onChange={handleChange}
                  error={hasError}
                  helperText={hasError ? errors.computerSkill?.[field] : ""}
                  fullWidth
                >
                  {proficiencyOptions.map((o) => (
                    <MenuItem key={o.value} value={o.value}>
                      {o.label}
                    </MenuItem>
                  ))}
                </TextField>
              );
            })}

            <TextField
              label="سایر نرم‌افزارها"
              name="computerSkill.otherSoftware"
              value={values.computerSkill.otherSoftware || ""}
              onChange={handleChange}
              error={!!errors.computerSkill?.otherSoftware && !!touched.computerSkill?.otherSoftware}
              helperText={
                touched.computerSkill?.otherSoftware ? errors.computerSkill?.otherSoftware : ""
              }
              fullWidth
              multiline
              minRows={2}
              sx={{ gridColumn: { xs: "1", md: "1 / -1" } }}
            />
          </Box>
        </Paper>

        {/* 2. Language Skills Section */}
        <Paper
          elevation={0}
          sx={{
            p: { xs: 2, md: 3 },
            borderRadius: "24px",
            border: "1px solid #e2e8f0",
            backgroundColor: "#ffffff",
          }}
        >
          <Typography variant="h6" sx={{ mb: 3, fontWeight: "bold", color: "#0f172a" }}>
            آشنایی با زبان‌های خارجه
          </Typography>

          <Box sx={{ display: "grid", gridTemplateColumns: { xs: "1fr", md: "1fr 1fr" }, gap: 2 }}>
            
            {/* English */}
            <TextField
              select
              label="زبان انگلیسی*"
              name="languageSkill.englishLevel"
              value={values.languageSkill.englishLevel}
              onChange={handleChange}
              error={!!errors.languageSkill?.englishLevel && !!touched.languageSkill?.englishLevel}
              helperText={
                touched.languageSkill?.englishLevel ? errors.languageSkill?.englishLevel : " "
              }
              fullWidth
            >
              {proficiencyOptions.map((o) => (
                <MenuItem key={o.value} value={o.value}>
                  {o.label}
                </MenuItem>
              ))}
            </TextField>

            <Box sx={{ display: "flex", alignItems: "center" }}>
              <FormControlLabel
                control={
                  <Switch
                    checked={values.languageSkill.hasEnglishCertificate}
                    onChange={(e) => {
                      const checked = e.target.checked;
                      setFieldValue("languageSkill.hasEnglishCertificate", checked);
                      if (!checked) {
                        // پاکسازی فیلد نوع مدرک در صورت غیرفعال شدن سوئیچ
                        setFieldValue("languageSkill.englishCertificateType", "");
                      }
                    }}
                  />
                }
                label="مدرک معتبر زبان انگلیسی دارد"
              />
            </Box>

            {values.languageSkill.hasEnglishCertificate && (
              <TextField
                select
                label="نوع مدرک*"
                name="languageSkill.englishCertificateType"
                value={values.languageSkill.englishCertificateType}
                onChange={handleChange}
                error={
                  !!errors.languageSkill?.englishCertificateType &&
                  !!touched.languageSkill?.englishCertificateType
                }
                helperText={
                  touched.languageSkill?.englishCertificateType
                    ? errors.languageSkill?.englishCertificateType
                    : " "
                }
                fullWidth
                sx={{ gridColumn: { xs: "1", md: "1 / -1" } }}
              >
                <MenuItem value="">انتخاب...</MenuItem>
                {certTypes.map((t) => (
                  <MenuItem key={t} value={t}>
                    {t}
                  </MenuItem>
                ))}
              </TextField>
            )}

            <TextField
              label="توضیحات زبان انگلیسی"
              name="languageSkill.englishDescription"
              value={values.languageSkill.englishDescription}
              onChange={handleChange}
              error={
                !!errors.languageSkill?.englishDescription &&
                !!touched.languageSkill?.englishDescription
              }
              helperText={
                touched.languageSkill?.englishDescription
                  ? errors.languageSkill?.englishDescription
                  : ""
              }
              fullWidth
              multiline
              minRows={2}
              sx={{ gridColumn: { xs: "1", md: "1 / -1" } }}
            />

            <Divider sx={{ gridColumn: { xs: "1", md: "1 / -1" }, my: 1 }} />

            {/* Arabic */}
            <TextField
              select
              label="زبان عربی*"
              name="languageSkill.arabicLevel"
              value={values.languageSkill.arabicLevel}
              onChange={handleChange}
              error={!!errors.languageSkill?.arabicLevel && !!touched.languageSkill?.arabicLevel}
              helperText={
                touched.languageSkill?.arabicLevel ? errors.languageSkill?.arabicLevel : " "
              }
              fullWidth
            >
              {proficiencyOptions.map((o) => (
                <MenuItem key={o.value} value={o.value}>
                  {o.label}
                </MenuItem>
              ))}
            </TextField>

            <Box />

            <TextField
              label="توضیحات زبان عربی"
              name="languageSkill.arabicDescription"
              value={values.languageSkill.arabicDescription}
              onChange={handleChange}
              error={
                !!errors.languageSkill?.arabicDescription &&
                !!touched.languageSkill?.arabicDescription
              }
              helperText={
                touched.languageSkill?.arabicDescription
                  ? errors.languageSkill?.arabicDescription
                  : ""
              }
              fullWidth
              multiline
              minRows={2}
              sx={{ gridColumn: { xs: "1", md: "1 / -1" } }}
            />

            <Divider sx={{ gridColumn: { xs: "1", md: "1 / -1" }, my: 1 }} />

            {/* Other Skills */}
            <TextField
              label="سایر زبان ها (توضیحات در مورد میزان تسلط)"
              name="languageSkill.otherLanguagesDescription"
              value={values.languageSkill.otherLanguagesDescription}
              onChange={handleChange}
              error={
                !!errors.languageSkill?.otherLanguagesDescription &&
                !!touched.languageSkill?.otherLanguagesDescription
              }
              helperText={
                touched.languageSkill?.otherLanguagesDescription
                  ? errors.languageSkill?.otherLanguagesDescription
                  : ""
              }
              fullWidth
              multiline
              minRows={2}
              sx={{ gridColumn: { xs: "1", md: "1 / -1" } }}
            />

            <TextField
              label="آشنایی با گویش ها و لهجه های کشور (توضیحات در مورد میزان تسلط)"
              name="languageSkill.dialectsDescription"
              value={values.languageSkill.dialectsDescription}
              onChange={handleChange}
              error={
                !!errors.languageSkill?.dialectsDescription &&
                !!touched.languageSkill?.dialectsDescription
              }
              helperText={
                touched.languageSkill?.dialectsDescription
                  ? errors.languageSkill?.dialectsDescription
                  : ""
              }
              fullWidth
              multiline
              minRows={2}
              sx={{ gridColumn: { xs: "1", md: "1 / -1" } }}
            />

            <TextField
              label="سایر مهارت ها (اعم از ورزشی، هنری، فرهنگی، اجتماعی و ...)"
              name="languageSkill.otherSkills"
              value={values.languageSkill.otherSkills}
              onChange={handleChange}
              error={!!errors.languageSkill?.otherSkills && !!touched.languageSkill?.otherSkills}
              helperText={
                touched.languageSkill?.otherSkills ? errors.languageSkill?.otherSkills : ""
              }
              fullWidth
              multiline
              minRows={3}
              sx={{ gridColumn: { xs: "1", md: "1 / -1" } }}
            />
          </Box>
        </Paper>

        {/* Wizard Navigation Buttons */}
        <Box
          sx={{
            display: "flex",
            justifyContent: "space-between",
            mt: 2,
            width: "100%",
          }}
        >
          <Button
            disabled={props.step === 1 || isSubmitting}
            type="button"
            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>
      </Box>
    </Form>
  );
}