'use client';

import { Check, X } from 'lucide-react';

import { Material } from '@/types';

export type MaterialTab = 'fertilizer' | 'pesticide' | 'seed' | 'misc';

export interface MaterialFormState {
  name: string;
  material_type: Material['material_type'];
  seed_variety_id: string;
  maker: string;
  stock_unit: Material['stock_unit'];
  is_active: boolean;
  notes: string;
  fertilizer_profile: {
    capacity_kg: string;
    nitrogen_pct: string;
    phosphorus_pct: string;
    potassium_pct: string;
  };
  pesticide_profile: {
    registration_no: string;
    formulation: string;
    usage_unit: string;
    dilution_ratio: string;
    active_ingredient: string;
    category: string;
  };
}

interface MaterialFormProps {
  tab: MaterialTab;
  form: MaterialFormState;
  saving: boolean;
  seedVarietyOptions?: { id: number; label: string }[];
  onBaseFieldChange: (
    field: keyof Omit<MaterialFormState, 'fertilizer_profile' | 'pesticide_profile'>,
    value: string | boolean
  ) => void;
  onFertilizerFieldChange: (
    field: keyof MaterialFormState['fertilizer_profile'],
    value: string
  ) => void;
  onPesticideFieldChange: (
    field: keyof MaterialFormState['pesticide_profile'],
    value: string
  ) => void;
  onSave: () => void;
  onCancel: () => void;
}

const inputClassName =
  'w-full rounded-md border border-gray-300 px-2 py-1 text-sm focus:border-green-500 focus:outline-none focus:ring-1 focus:ring-green-500';

export default function MaterialForm({
  tab,
  form,
  saving,
  seedVarietyOptions = [],
  onBaseFieldChange,
  onFertilizerFieldChange,
  onPesticideFieldChange,
  onSave,
  onCancel,
}: MaterialFormProps) {
  if (tab === 'fertilizer') {
    return (
      <tr className="bg-green-50">
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.name}
            onChange={(e) => onBaseFieldChange('name', e.target.value)}
            placeholder="資材名"
            autoFocus
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.maker}
            onChange={(e) => onBaseFieldChange('maker', e.target.value)}
            placeholder="メーカー"
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            type="number"
            step="0.001"
            value={form.fertilizer_profile.capacity_kg}
            onChange={(e) => onFertilizerFieldChange('capacity_kg', e.target.value)}
            placeholder="kg"
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            type="number"
            step="0.01"
            value={form.fertilizer_profile.nitrogen_pct}
            onChange={(e) => onFertilizerFieldChange('nitrogen_pct', e.target.value)}
            placeholder="%"
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            type="number"
            step="0.01"
            value={form.fertilizer_profile.phosphorus_pct}
            onChange={(e) => onFertilizerFieldChange('phosphorus_pct', e.target.value)}
            placeholder="%"
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            type="number"
            step="0.01"
            value={form.fertilizer_profile.potassium_pct}
            onChange={(e) => onFertilizerFieldChange('potassium_pct', e.target.value)}
            placeholder="%"
          />
        </td>
        <td className="px-2 py-2">
          <StockUnitSelect
            value={form.stock_unit}
            onChange={(value) => onBaseFieldChange('stock_unit', value)}
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.notes}
            onChange={(e) => onBaseFieldChange('notes', e.target.value)}
            placeholder="備考"
          />
        </td>
        <td className="px-2 py-2 text-center">
          <input
            type="checkbox"
            checked={form.is_active}
            onChange={(e) => onBaseFieldChange('is_active', e.target.checked)}
            className="h-4 w-4 rounded border-gray-300 text-green-600 focus:ring-green-500"
          />
        </td>
        <td className="px-2 py-2">
          <ActionButtons onSave={onSave} onCancel={onCancel} saving={saving} />
        </td>
      </tr>
    );
  }

  if (tab === 'pesticide') {
    return (
      <tr className="bg-green-50">
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.name}
            onChange={(e) => onBaseFieldChange('name', e.target.value)}
            placeholder="資材名"
            autoFocus
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.maker}
            onChange={(e) => onBaseFieldChange('maker', e.target.value)}
            placeholder="メーカー"
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.pesticide_profile.registration_no}
            onChange={(e) => onPesticideFieldChange('registration_no', e.target.value)}
            placeholder="登録番号"
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.pesticide_profile.formulation}
            onChange={(e) => onPesticideFieldChange('formulation', e.target.value)}
            placeholder="剤型"
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.pesticide_profile.active_ingredient}
            onChange={(e) => onPesticideFieldChange('active_ingredient', e.target.value)}
            placeholder="有効成分"
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.pesticide_profile.category}
            onChange={(e) => onPesticideFieldChange('category', e.target.value)}
            placeholder="分類"
          />
        </td>
        <td className="px-2 py-2">
          <StockUnitSelect
            value={form.stock_unit}
            onChange={(value) => onBaseFieldChange('stock_unit', value)}
          />
        </td>
        <td className="px-2 py-2">
          <input
            className={inputClassName}
            value={form.notes}
            onChange={(e) => onBaseFieldChange('notes', e.target.value)}
            placeholder="備考"
          />
        </td>
        <td className="px-2 py-2 text-center">
          <input
            type="checkbox"
            checked={form.is_active}
            onChange={(e) => onBaseFieldChange('is_active', e.target.checked)}
            className="h-4 w-4 rounded border-gray-300 text-green-600 focus:ring-green-500"
          />
        </td>
        <td className="px-2 py-2">
          <ActionButtons onSave={onSave} onCancel={onCancel} saving={saving} />
        </td>
      </tr>
    );
  }

  return (
    <tr className="bg-green-50">
      <td className="px-2 py-2">
        <input
          className={inputClassName}
          value={form.name}
          onChange={(e) => onBaseFieldChange('name', e.target.value)}
          placeholder="資材名"
          autoFocus
        />
      </td>
      <td className="px-2 py-2">
        {tab === 'seed' ? (
          <select
            className={inputClassName}
            value={form.seed_variety_id}
            onChange={(e) => onBaseFieldChange('seed_variety_id', e.target.value)}
          >
            <option value="">品種未設定</option>
            {seedVarietyOptions.map((option) => (
              <option key={option.id} value={option.id}>
                {option.label}
              </option>
            ))}
          </select>
        ) : (
          <select
            className={inputClassName}
            value={form.material_type}
            onChange={(e) => onBaseFieldChange('material_type', e.target.value)}
          >
            <option value="other">その他</option>
            <option value="seedling">種苗</option>
          </select>
        )}
      </td>
      <td className="px-2 py-2">
        <input
          className={inputClassName}
          value={form.maker}
          onChange={(e) => onBaseFieldChange('maker', e.target.value)}
          placeholder="メーカー"
        />
      </td>
      <td className="px-2 py-2">
        <StockUnitSelect
          value={form.stock_unit}
          onChange={(value) => onBaseFieldChange('stock_unit', value)}
        />
      </td>
      <td className="px-2 py-2">
        <input
          className={inputClassName}
          value={form.notes}
          onChange={(e) => onBaseFieldChange('notes', e.target.value)}
          placeholder="備考"
        />
      </td>
      <td className="px-2 py-2 text-center">
        <input
          type="checkbox"
          checked={form.is_active}
          onChange={(e) => onBaseFieldChange('is_active', e.target.checked)}
          className="h-4 w-4 rounded border-gray-300 text-green-600 focus:ring-green-500"
        />
      </td>
      <td className="px-2 py-2">
        <ActionButtons onSave={onSave} onCancel={onCancel} saving={saving} />
      </td>
    </tr>
  );
}

function ActionButtons({
  onSave,
  onCancel,
  saving,
}: {
  onSave: () => void;
  onCancel: () => void;
  saving: boolean;
}) {
  return (
    <div className="flex items-center justify-end gap-1">
      <button
        onClick={onSave}
        disabled={saving}
        className="text-green-600 transition hover:text-green-800 disabled:opacity-50"
      >
        <Check className="h-4 w-4" />
      </button>
      <button
        onClick={onCancel}
        className="text-gray-400 transition hover:text-gray-600"
      >
        <X className="h-4 w-4" />
      </button>
    </div>
  );
}

function StockUnitSelect({
  value,
  onChange,
}: {
  value: Material['stock_unit'];
  onChange: (value: Material['stock_unit']) => void;
}) {
  return (
    <select
      className={inputClassName}
      value={value}
      onChange={(e) => onChange(e.target.value as Material['stock_unit'])}
    >
      <option value="bag">袋</option>
      <option value="bottle">本</option>
      <option value="kg">kg</option>
      <option value="liter">L</option>
      <option value="piece">個</option>
    </select>
  );
}