import type { AssetType } from '../api/types'
import { useProjectStore } from '../stores/project'
import { useTaskStore } from '../stores/task'
import { mergeStyles, getCustomTags } from '../utils/style'
import StyleSelector from './StyleSelector'
import CustomTagsEditor from './CustomTagsEditor'
import PromptEditor from './PromptEditor'

const ASSET_TYPE_ICONS: Record<AssetType, JSX.Element> = {
  sprite: (
    <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor">
      <path d="M12 2a3 3 0 0 1 3 3c0 1.1-.6 2.1-1.5 2.6L17 12h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1h-1.2l-1.4 5.5a1 1 0 0 1-1 .5H10.6a1 1 0 0 1-1-.5L8.2 16H7a1 1 0 0 1-1-1v-2a1 1 0 0 1 1-1h2l3.5-4.4A3 3 0 0 1 12 2z" />
    </svg>
  ),
  background: (
    <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor">
      <path d="M4 4h16a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2zm0 2v8.6l4.3-4.3a1.5 1.5 0 0 1 2.1 0L14 13.9l2.4-2.4a1.5 1.5 0 0 1 2.1 0L20 13V6H4zm0 12h16v-1.4l-3.5-3.5-2.4 2.4a1.5 1.5 0 0 1-2.1 0L6.4 12 4 14.4V18z" />
    </svg>
  ),
  ui: (
    <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor">
      <path d="M3 4h18a1 1 0 0 1 1 1v14a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V5a1 1 0 0 1 1-1zm0 2v12h18V6H3zm2 2h4a1 1 0 0 1 1 1v4a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1V9a1 1 0 0 1 1-1zm1 1v4h2V9H6zm7-1h5a1 1 0 0 1 0 2h-5a1 1 0 0 1 0-2zm0 4h3a1 1 0 0 1 0 2h-3a1 1 0 0 1 0-2z" />
    </svg>
  ),
  animation: (
    <svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor">
      <path d="M8 5v14l11-7L8 5zm-2 1.5L16 12 6 17.5V6.5z" />
    </svg>
  ),
}

const ASSET_TYPES: { value: AssetType; label: string }[] = [
  { value: 'sprite', label: '精灵' },
  { value: 'background', label: '背景' },
  { value: 'ui', label: 'UI' },
  { value: 'animation', label: '动画' },
]

interface GenerateFormProps {
  onSubmit: (prompt: string) => void
  submitting: boolean
}

export default function GenerateForm({ onSubmit, submitting }: GenerateFormProps) {
  const { style: projectStyle } = useProjectStore()
  const {
    prompt,
    assetType,
    taskStyle,
    params,
    enableAI,
    optimizedPrompt,
    isOptimizing,
    setPrompt,
    setAssetType,
    toggleTaskStyle,
    setTaskStyle,
    setParams,
    setEnableAI,
    setOptimizedPrompt,
    runOptimize,
  } = useTaskStore()

  const mergedStyle = mergeStyles(projectStyle, taskStyle)
  const finalPrompt = enableAI && optimizedPrompt ? optimizedPrompt : prompt

  const handleOptimize = async () => {
    try {
      await runOptimize(projectStyle)
    } catch {
      // error handled in store
    }
  }

  const handleSubmit = () => {
    onSubmit(finalPrompt)
  }

  return (
    <div style={{ display: 'flex', flexDirection: 'column', gap: 24 }}>
      {/* 素材类型 */}
      <div>
        <h3 style={{ marginBottom: 12, fontSize: 14, color: 'var(--text-secondary)' }}>
          素材类型
        </h3>
        <div style={{ display: 'flex', gap: 12 }}>
          {ASSET_TYPES.map(t => {
            const isSelected = assetType === t.value
            return (
              <button
                key={t.value}
                type="button"
                onClick={() => setAssetType(t.value)}
                style={{
                  width: 80,
                  height: 72,
                  display: 'flex',
                  flexDirection: 'column',
                  alignItems: 'center',
                  justifyContent: 'center',
                  gap: 6,
                  borderRadius: 'var(--radius-lg)',
                  border: `2px solid ${isSelected ? 'var(--accent)' : 'var(--border)'}`,
                  background: isSelected ? 'var(--accent-dim)' : 'transparent',
                  color: isSelected ? 'var(--accent)' : 'var(--text-secondary)',
                  cursor: 'pointer',
                  transition: 'all 0.2s ease',
                  fontSize: 13,
                  fontWeight: isSelected ? 600 : 400,
                }}
              >
                {ASSET_TYPE_ICONS[t.value]}
                {t.label}
              </button>
            )
          })}
        </div>
      </div>

      {/* 素材风格配置 */}
      <div>
        <h3 style={{ marginBottom: 12, fontSize: 14, color: 'var(--text-secondary)' }}>
          素材风格
        </h3>
        <StyleSelector value={taskStyle} onChange={toggleTaskStyle} compact customTags={getCustomTags(taskStyle)} />
        <CustomTagsEditor style={taskStyle} onChange={setTaskStyle} />
      </div>

      {/* 提示词（含 AI 优化） */}
      <div>
        <div
          style={{
            display: 'flex',
            justifyContent: 'space-between',
            alignItems: 'center',
            marginBottom: 12,
          }}
        >
          <h3 style={{ fontSize: 14, color: 'var(--text-secondary)' }}>
            提示词
          </h3>
          {enableAI && (
            <button
              type="button"
              className="btn-secondary"
              onClick={handleOptimize}
              disabled={isOptimizing || !prompt.trim()}
              style={{ padding: '6px 16px', fontSize: 13 }}
            >
              {isOptimizing ? '优化中...' : '优化提示词'}
            </button>
          )}
        </div>
        <PromptEditor
          prompt={prompt}
          onPromptChange={setPrompt}
          style={mergedStyle}
          params={{ resolution: params.resolution, format: params.format }}
          enableAI={enableAI}
          onEnableAIToggle={setEnableAI}
          optimizedPrompt={optimizedPrompt}
          isOptimizing={isOptimizing}
          onOptimizedPromptChange={setOptimizedPrompt}
        />
      </div>

      {/* 参数 */}
      <div>
        <h3 style={{ marginBottom: 12, fontSize: 14, color: 'var(--text-secondary)' }}>
          参数
        </h3>
        <div style={{ display: 'flex', gap: 24, alignItems: 'center' }}>
          <label style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
            <span style={{ fontSize: 13, color: 'var(--text-secondary)' }}>分辨率</span>
            <input
              type="number"
              value={params.resolution}
              onChange={e => setParams({ resolution: Number(e.target.value) })}
              min={1024}
              max={1536}
              step={512}
              style={{ width: 100 }}
            />
            <span style={{ fontSize: 13, color: 'var(--text-muted)' }}>px</span>
          </label>
          <label style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
            <span style={{ fontSize: 13, color: 'var(--text-secondary)' }}>格式</span>
            <select
              value={params.format}
              onChange={e =>
                setParams({ format: e.target.value as 'spritesheet' | 'individual' })
              }
            >
              <option value="spritesheet">Spritesheet</option>
              <option value="individual">单帧</option>
            </select>
          </label>
        </div>
      </div>

      {/* 提交 */}
      <button
        type="button"
        className="btn-primary"
        onClick={handleSubmit}
        disabled={submitting || !finalPrompt.trim()}
        style={{ alignSelf: 'flex-start', padding: '12px 32px', fontSize: 16 }}
      >
        {submitting ? '提交中...' : '开始生成'}
      </button>
    </div>
  )
}