import type { ChangeEvent, ReactNode } from 'react';
import { ImagePlus, RefreshCcw } from 'lucide-react';

import { ResolvedAssetImage } from '../ResolvedAssetImage';

type ActionButtonProps = {
  icon?: ReactNode;
  label: string;
  subLabel?: string;
  onClick: () => void;
  disabled?: boolean;
  tone?: 'default' | 'sky' | 'green';
};

type FieldProps = {
  label: string;
  children: ReactNode;
};

type TextAreaProps = {
  value: string;
  onChange: (value: string) => void;
  rows?: number;
  placeholder?: string;
  readOnly?: boolean;
};

type SectionProps = {
  title: string;
  children: ReactNode;
};

export function RpgCreationRoleVisualSection(props: {
  ActionButton: (props: ActionButtonProps) => ReactNode;
  Field: (props: FieldProps) => ReactNode;
  Section: (props: SectionProps) => ReactNode;
  TextArea: (props: TextAreaProps) => ReactNode;
  handleReferenceImageUpload: (
    event: ChangeEvent<HTMLInputElement>,
  ) => Promise<void>;
  hasGeneratedVisualPreview: boolean;
  isApplyingVisual: boolean;
  isGeneratingVisuals: boolean;
  previewImageSrc: string;
  referenceImageDataUrls: string[];
  selectedTemplatePortrait?: string | null;
  selectedTemplateName?: string | null;
  syncBusy: boolean;
  visualPointCost: number;
  visualPromptText: string;
  visualStatus: string | null;
  workingRoleName: string;
  onClearReferenceImages: () => void;
  onGenerateVisuals: () => void;
  onVisualPromptChange: (value: string) => void;
}) {
  const {
    ActionButton,
    Field,
    Section,
    TextArea,
    handleReferenceImageUpload,
    hasGeneratedVisualPreview,
    isApplyingVisual,
    isGeneratingVisuals,
    previewImageSrc,
    referenceImageDataUrls,
    selectedTemplateName,
    selectedTemplatePortrait,
    syncBusy,
    visualPointCost,
    visualPromptText,
    visualStatus,
    workingRoleName,
    onClearReferenceImages,
    onGenerateVisuals,
    onVisualPromptChange,
  } = props;

  return (
    <Section title="角色形象">
      <div className="space-y-4">
        <div className="platform-role-studio__preview overflow-hidden rounded-3xl">
          <div className="flex min-h-[18rem] items-center justify-center p-4 sm:min-h-[22rem]">
            {previewImageSrc ? (
              <ResolvedAssetImage
                src={previewImageSrc}
                alt={workingRoleName}
                className="max-h-[28rem] w-full object-contain"
              />
            ) : selectedTemplatePortrait ? (
              <ResolvedAssetImage
                src={selectedTemplatePortrait}
                alt={selectedTemplateName ?? workingRoleName}
                className="max-h-[20rem] w-full object-contain"
              />
            ) : (
              <div className="px-6 text-center text-sm text-zinc-500">
                暂无角色形象预览
              </div>
            )}
          </div>
        </div>

        <Field label="形象描述">
          <TextArea
            value={visualPromptText}
            onChange={onVisualPromptChange}
            rows={6}
            placeholder="这里默认展示角色形象描述，也可以继续手动细化。"
          />
        </Field>

        <Field label="参考图">
          <label className="block rounded-2xl border border-dashed border-white/12 bg-black/20 px-4 py-4">
            <input
              type="file"
              accept="image/png,image/jpeg,image/webp"
              multiple
              onChange={(event) => {
                void handleReferenceImageUpload(event);
              }}
              className="w-full text-xs text-zinc-300 file:mr-3 file:rounded-lg file:border-0 file:bg-sky-500 file:px-3 file:py-1.5 file:text-xs file:font-medium file:text-black"
            />
          </label>
          {referenceImageDataUrls.length > 0 ? (
            <div className="mt-3 space-y-3">
              <div className="flex flex-wrap gap-2">
                {referenceImageDataUrls.map((imageSrc, index) => (
                  <div
                    key={`${imageSrc}-${index}`}
                    className="h-16 w-16 overflow-hidden rounded-xl border border-white/10 bg-black/25"
                  >
                    <img
                      src={imageSrc}
                      alt={`reference-${index + 1}`}
                      className="h-full w-full object-cover"
                    />
                  </div>
                ))}
              </div>
              <div>
                <ActionButton
                  label="清空参考图"
                  onClick={onClearReferenceImages}
                  disabled={isGeneratingVisuals || isApplyingVisual || syncBusy}
                />
              </div>
            </div>
          ) : null}
        </Field>

        <div className="flex flex-wrap gap-3">
          <ActionButton
            icon={
              hasGeneratedVisualPreview ? (
                <RefreshCcw className="h-4 w-4" />
              ) : (
                <ImagePlus className="h-4 w-4" />
              )
            }
            label={
              isGeneratingVisuals
                ? '生成中...'
                : hasGeneratedVisualPreview
                  ? '重新生成角色形象'
                  : '生成角色形象'
            }
            subLabel={`消耗${visualPointCost}叙世币`}
            onClick={onGenerateVisuals}
            disabled={isGeneratingVisuals || isApplyingVisual || syncBusy}
            tone="sky"
          />
        </div>

        {visualStatus ? (
          <div className="rounded-2xl border border-white/10 bg-black/20 px-4 py-3 text-sm text-zinc-300">
            {visualStatus}
          </div>
        ) : null}
      </div>
    </Section>
  );
}

export default RpgCreationRoleVisualSection;