'use client'

import type { WorkReviewAnnotationShape } from '@/types/work-review'

export const WORK_REVIEW_ANNOTATION_COLORS = [
  { value: '#0050cb', label: '蓝色' },
  { value: '#d92d20', label: '红色' },
  { value: '#087a3c', label: '绿色' },
  { value: '#8a5200', label: '棕色' },
  { value: '#101828', label: '黑色' },
  { value: '#ffffff', label: '白色' },
] as const

export type WorkReviewDrawingTool = Exclude<WorkReviewAnnotationShape, 'point'>

const TOOLS: Array<{ value: WorkReviewDrawingTool; label: string }> = [
  { value: 'rectangle', label: '矩形框选' },
  { value: 'ellipse', label: '椭圆框选' },
  { value: 'arrow', label: '箭头标注' },
]

function ToolIcon({ tool }: { tool: WorkReviewDrawingTool }) {
  if (tool === 'rectangle') {
    return <rect x="4" y="4" width="16" height="16" rx="1.5" />
  }
  if (tool === 'ellipse') {
    return <ellipse cx="12" cy="12" rx="8" ry="7" />
  }
  return (
    <>
      <path d="M5 19 19 5" />
      <path d="M11 5h8v8" />
    </>
  )
}

export function WorkReviewAnnotationToolbar({
  tool,
  color,
  canUndo,
  onToolChange,
  onColorChange,
  onUndo,
  onClose,
}: {
  tool: WorkReviewDrawingTool
  color: string
  canUndo: boolean
  onToolChange: (tool: WorkReviewDrawingTool) => void
  onColorChange: (color: string) => void
  onUndo: () => void
  onClose: () => void
}) {
  return (
    <div
      role="toolbar"
      aria-label="标注工具"
      className="absolute left-1/2 top-14 z-50 flex max-w-[calc(100%_-_1rem)] -translate-x-1/2 flex-wrap items-center justify-center gap-1.5 rounded-lg bg-[#172235] p-2 text-white shadow-[0_10px_30px_rgba(15,23,42,0.32)] sm:flex-nowrap"
    >
      <div className="flex items-center gap-1" aria-label="标注形状">
        {TOOLS.map((item) => (
          <button
            key={item.value}
            type="button"
            onClick={() => onToolChange(item.value)}
            aria-label={item.label}
            aria-pressed={tool === item.value}
            title={item.label}
            className={`flex h-9 w-9 items-center justify-center rounded outline-none transition-colors focus-visible:ring-2 focus-visible:ring-[#8ab9ff] ${
              tool === item.value
                ? 'bg-[#0050cb] text-white'
                : 'text-[#dce4ef] hover:bg-[#2a3a50] hover:text-white'
            }`}
          >
            <svg viewBox="0 0 24 24" className="h-5 w-5 fill-none stroke-current stroke-2" aria-hidden="true">
              <ToolIcon tool={item.value} />
            </svg>
          </button>
        ))}
      </div>

      <span className="mx-0.5 h-7 w-px bg-[#42526a]" aria-hidden="true" />

      <div className="flex items-center gap-1" role="radiogroup" aria-label="标注颜色">
        {WORK_REVIEW_ANNOTATION_COLORS.map((item) => (
          <button
            key={item.value}
            type="button"
            role="radio"
            aria-label={item.label}
            aria-checked={color === item.value}
            title={item.label}
            onClick={() => onColorChange(item.value)}
            className={`flex h-9 w-9 items-center justify-center rounded outline-none transition-colors hover:bg-[#2a3a50] focus-visible:ring-2 focus-visible:ring-[#8ab9ff] ${
              color === item.value ? 'bg-[#2a3a50]' : ''
            }`}
          >
            <span
              className={`h-5 w-5 rounded-sm border-2 ${color === item.value ? 'ring-2 ring-[#8ab9ff] ring-offset-1 ring-offset-[#172235]' : ''}`}
              style={{
                backgroundColor: item.value,
                borderColor: item.value === '#ffffff' ? '#98a2b3' : item.value,
              }}
              aria-hidden="true"
            />
          </button>
        ))}
      </div>

      <span className="mx-0.5 h-7 w-px bg-[#42526a]" aria-hidden="true" />

      <div className="flex items-center gap-1">
        <button
          type="button"
          onClick={onUndo}
          disabled={!canUndo}
          aria-label="撤销上一个标注"
          title="撤销上一个标注"
          className="flex h-9 w-9 items-center justify-center rounded text-[#dce4ef] outline-none transition-colors hover:bg-[#2a3a50] hover:text-white focus-visible:ring-2 focus-visible:ring-[#8ab9ff] disabled:cursor-not-allowed disabled:opacity-35"
        >
          <svg viewBox="0 0 24 24" className="h-5 w-5 fill-none stroke-current stroke-2" aria-hidden="true">
            <path d="M9 7 4 12l5 5" />
            <path d="M5 12h8a6 6 0 0 1 6 6" />
          </svg>
        </button>
        <button
          type="button"
          onClick={onClose}
          aria-label="关闭标注工具"
          title="关闭标注工具"
          className="flex h-9 w-9 items-center justify-center rounded text-[#dce4ef] outline-none transition-colors hover:bg-[#2a3a50] hover:text-white focus-visible:ring-2 focus-visible:ring-[#8ab9ff]"
        >
          <svg viewBox="0 0 24 24" className="h-5 w-5 fill-none stroke-current stroke-2" aria-hidden="true">
            <path d="m6 6 12 12M18 6 6 18" />
          </svg>
        </button>
      </div>
    </div>
  )
}