import type { BlueprintFieldDefinition } from "@nexus/shared";
import { FieldType } from "@nexus/shared";
import { DateInput } from "~/components/ui/DateInput.js";

export function DynamicFieldInput({
  field,
  value,
  onChange,
}: {
  field: BlueprintFieldDefinition;
  value: unknown;
  onChange: (key: string, val: unknown) => void;
}) {
  const strVal = value !== undefined && value !== null ? String(value) : "";
  const arrVal = Array.isArray(value) ? (value as string[]) : [];

  switch (field.type) {
    case FieldType.TEXTAREA:
      return (
        <textarea
          value={strVal}
          onChange={(e) => onChange(field.key, e.target.value)}
          placeholder={field.placeholder}
          rows={3}
          className="app-input"
        />
      );
    case FieldType.NUMBER:
      return (
        <input
          type="number"
          value={strVal}
          min={field.validation?.min}
          max={field.validation?.max}
          onChange={(e) =>
            onChange(field.key, e.target.value === "" ? "" : parseFloat(e.target.value))
          }
          placeholder={field.placeholder}
          className="app-input"
        />
      );
    case FieldType.BOOLEAN:
      return (
        <label className="flex items-center gap-2 text-sm cursor-pointer">
          <input
            type="checkbox"
            checked={value === true || value === "true"}
            onChange={(e) => onChange(field.key, e.target.checked)}
            className="accent-brand-600"
          />
          {field.description && <span className="text-gray-500">{field.description}</span>}
        </label>
      );
    case FieldType.DATE:
      return <DateInput value={strVal} onChange={(v) => onChange(field.key, v)} />;
    case FieldType.SELECT:
      return (
        <select
          value={strVal}
          onChange={(e) => onChange(field.key, e.target.value)}
          className="app-select w-full"
        >
          <option value="">— select —</option>
          {(field.options ?? []).map((opt) => (
            <option key={opt.value} value={opt.value}>
              {opt.label}
            </option>
          ))}
        </select>
      );
    case FieldType.MULTI_SELECT:
      return (
        <div className="flex flex-wrap gap-2">
          {(field.options ?? []).map((opt) => {
            const checked = arrVal.includes(opt.value);
            return (
              <label key={opt.value} className="flex items-center gap-1.5 text-sm cursor-pointer">
                <input
                  type="checkbox"
                  checked={checked}
                  onChange={(e) => {
                    const next = e.target.checked
                      ? [...arrVal, opt.value]
                      : arrVal.filter((v) => v !== opt.value);
                    onChange(field.key, next);
                  }}
                  className="accent-brand-600"
                />
                {opt.label}
              </label>
            );
          })}
        </div>
      );
    default:
      // TEXT, URL, EMAIL
      return (
        <input
          type={
            field.type === FieldType.EMAIL ? "email" : field.type === FieldType.URL ? "url" : "text"
          }
          value={strVal}
          onChange={(e) => onChange(field.key, e.target.value)}
          placeholder={field.placeholder}
          className="app-input"
        />
      );
  }
}