| 1 | 'use client' |
| 2 | |
| 3 | import type { IWorkflowStep } from '@/store/agent' |
| 4 | import { CheckCircle2, ChevronDown, ChevronRight, Loader2, Wrench } from 'lucide-react' |
| 5 | import { useEffect, useRef, useState } from 'react' |
| 6 | import { useTransClient } from '@/app/i18n/client' |
| 7 | import { cn } from '@/utils/className' |
| 8 | import styles from './ChatMessage.module.scss' |
| 9 | import { ToolDetailModal } from './ToolDetailModal' |
| 10 | |
| 11 | export type { IWorkflowStep } |
| 12 | |
| 13 | export interface IWorkflowSectionProps { |
| 14 | workflowSteps: IWorkflowStep[] |
| 15 | isActive?: boolean |
| 16 | defaultExpanded?: boolean |
| 17 | } |
| 18 | |
| 19 | function formatToolName(name: string) { |
| 20 | return name.replace(/^mcp__\w+__/, '') |
| 21 | } |
| 22 | |
| 23 | interface IWorkflowStepItemProps { |
| 24 | step: IWorkflowStep |
| 25 | /** 点击回调（仅 tool_call 类型可点击） */ |
| 26 | onClick?: (step: IWorkflowStep) => void |
| 27 | } |
| 28 | |
| 29 | function WorkflowStepItem({ step, onClick }: IWorkflowStepItemProps) { |
| 30 | const { t } = useTransClient('chat') |
| 31 | // tool_call 类型：有 result 字段表示已完成；其他类型：!isActive 表示已完成 |
| 32 | const isCompleted = step.type === 'tool_call' ? !!step.result : !step.isActive |
| 33 | // 只有 tool_call 类型才可点击 |
| 34 | const isClickable = step.type === 'tool_call' && !!onClick |
| 35 | |
| 36 | // 不渲染 tool_result 类型（已合并到 tool_call 中） |
| 37 | if (step.type === 'tool_result') { |
| 38 | return null |
| 39 | } |
| 40 | |
| 41 | const handleClick = () => { |
| 42 | if (isClickable) { |
| 43 | onClick(step) |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | return ( |
| 48 | <div |
| 49 | className={cn( |
| 50 | 'flex items-start gap-2 px-2 py-1.5 rounded-lg text-xs transition-colors', |
| 51 | step.isActive ? 'bg-primary/10' : 'bg-muted/80', |
| 52 | isClickable && 'cursor-pointer hover:bg-muted', |
| 53 | )} |
| 54 | onClick={handleClick} |
| 55 | role={isClickable ? 'button' : undefined} |
| 56 | tabIndex={isClickable ? 0 : undefined} |
| 57 | onKeyDown={ |
| 58 | isClickable |
| 59 | ? (e) => { |
| 60 | if (e.key === 'Enter' || e.key === ' ') { |
| 61 | e.preventDefault() |
| 62 | handleClick() |
| 63 | } |
| 64 | } |
| 65 | : undefined |
| 66 | } |
| 67 | > |
| 68 | <div className="shrink-0 mt-0.5"> |
| 69 | {step.isActive ? ( |
| 70 | <Loader2 className="w-3 h-3 text-primary animate-spin" /> |
| 71 | ) : isCompleted ? ( |
| 72 | <CheckCircle2 className="w-3 h-3 text-success" /> |
| 73 | ) : ( |
| 74 | <Wrench className="w-3 h-3 text-muted-foreground/70" /> |
| 75 | )} |
| 76 | </div> |
| 77 | <div className="flex-1 min-w-0"> |
| 78 | <div |
| 79 | className={cn( |
| 80 | 'font-medium truncate', |
| 81 | step.isActive ? 'text-primary' : isCompleted ? 'text-success' : 'text-muted-foreground', |
| 82 | )} |
| 83 | > |
| 84 | {step.type === 'tool_call' |
| 85 | ? `${formatToolName(step.toolName || 'Tool')}${isCompleted ? '' : '...'}` |
| 86 | : formatToolName(step.toolName || t('workflow.processing' as any))} |
| 87 | </div> |
| 88 | {step.content && ( |
| 89 | <pre className="text-[10px] text-muted-foreground/70 mt-0.5 overflow-hidden text-ellipsis whitespace-nowrap"> |
| 90 | {step.content.substring(0, 80)} |
| 91 | {step.content.length > 80 ? '...' : ''} |
| 92 | </pre> |
| 93 | )} |
| 94 | </div> |
| 95 | </div> |
| 96 | ) |
| 97 | } |
| 98 | |
| 99 | function WorkflowSection({ workflowSteps, isActive, defaultExpanded }: IWorkflowSectionProps) { |
| 100 | const { t } = useTransClient('chat') |
| 101 | const initialExpanded |
| 102 | = defaultExpanded !== undefined ? defaultExpanded : isActive !== undefined ? isActive : true |
| 103 | const [expanded, setExpanded] = useState(initialExpanded) |
| 104 | const [isNearBottom, setIsNearBottom] = useState(true) |
| 105 | const listRef = useRef<HTMLDivElement>(null) |
| 106 | // 工具详情弹框状态 |
| 107 | const [selectedStep, setSelectedStep] = useState<IWorkflowStep | null>(null) |
| 108 | |
| 109 | useEffect(() => { |
| 110 | if (isActive !== undefined) { |
| 111 | setExpanded(isActive) |
| 112 | } |
| 113 | }, [isActive]) |
| 114 | |
| 115 | // 监听滚动位置，判断用户是否在底部附近 |
| 116 | const handleScroll = () => { |
| 117 | if (!listRef.current) |
| 118 | return |
| 119 | const { scrollTop, scrollHeight, clientHeight } = listRef.current |
| 120 | // 距离底部小于 20px 认为在底部附近 |
| 121 | const nearBottom = scrollHeight - scrollTop - clientHeight < 20 |
| 122 | setIsNearBottom(nearBottom) |
| 123 | } |
| 124 | |
| 125 | // 工作流步骤变化时，只有在底部附近才自动滚动到底部 |
| 126 | useEffect(() => { |
| 127 | if (listRef.current && expanded && isNearBottom) { |
| 128 | // 使用 setTimeout 确保 DOM 完全更新后再滚动 |
| 129 | const timer = setTimeout(() => { |
| 130 | if (listRef.current) { |
| 131 | listRef.current.scrollTop = listRef.current.scrollHeight |
| 132 | } |
| 133 | }, 0) |
| 134 | return () => clearTimeout(timer) |
| 135 | } |
| 136 | }, [workflowSteps, expanded, isNearBottom]) |
| 137 | |
| 138 | const totalToolCalls = workflowSteps.filter(s => s.type === 'tool_call').length |
| 139 | // 统计有 result 的 tool_call 数量（已完成的工具调用） |
| 140 | const completedSteps = workflowSteps.filter(s => s.type === 'tool_call' && s.result).length |
| 141 | const activeStep = workflowSteps.find(s => s.isActive) |
| 142 | |
| 143 | if (workflowSteps.length === 0) { |
| 144 | return null |
| 145 | } |
| 146 | |
| 147 | return ( |
| 148 | <div className={cn(styles.workflowSection, 'mt-2')}> |
| 149 | <button |
| 150 | onClick={() => setExpanded(!expanded)} |
| 151 | className={cn( |
| 152 | 'flex items-center gap-2 px-3 py-1.5 rounded-lg text-xs transition-all w-full', |
| 153 | isActive |
| 154 | ? 'bg-primary/10 text-primary hover:bg-primary/15 border border-primary/20' |
| 155 | : 'bg-background/60 text-muted-foreground hover:bg-muted border border-border/60', |
| 156 | )} |
| 157 | > |
| 158 | {isActive && activeStep ? ( |
| 159 | <> |
| 160 | <Wrench className="w-3.5 h-3.5 animate-pulse" /> |
| 161 | <span className="font-medium truncate flex-1 text-left"> |
| 162 | {formatToolName(activeStep.toolName || t('workflow.processing' as any))} |
| 163 | </span> |
| 164 | <Loader2 className="w-3 h-3 animate-spin" /> |
| 165 | </> |
| 166 | ) : ( |
| 167 | <> |
| 168 | <CheckCircle2 className="w-3.5 h-3.5 text-success" /> |
| 169 | <span className="font-medium flex-1 text-left"> |
| 170 | {completedSteps} |
| 171 | / |
| 172 | {totalToolCalls} |
| 173 | {' '} |
| 174 | {t('workflow.toolCallCompleted' as any)} |
| 175 | </span> |
| 176 | </> |
| 177 | )} |
| 178 | <span className="shrink-0"> |
| 179 | {expanded ? ( |
| 180 | <ChevronDown className="w-3.5 h-3.5" /> |
| 181 | ) : ( |
| 182 | <ChevronRight className="w-3.5 h-3.5" /> |
| 183 | )} |
| 184 | </span> |
| 185 | </button> |
| 186 | |
| 187 | {expanded && ( |
| 188 | <div |
| 189 | ref={listRef} |
| 190 | onScroll={handleScroll} |
| 191 | className={cn( |
| 192 | 'pl-2 border-l-2 space-y-1 mt-1.5 ml-1 overflow-y-auto', |
| 193 | isActive ? 'border-primary/30' : 'border-border', |
| 194 | styles.workflowDetailList, |
| 195 | )} |
| 196 | > |
| 197 | {workflowSteps.map((step, index) => ( |
| 198 | <WorkflowStepItem key={step.id || index} step={step} onClick={setSelectedStep} /> |
| 199 | ))} |
| 200 | </div> |
| 201 | )} |
| 202 | |
| 203 | {/* 工具详情弹框 */} |
| 204 | <ToolDetailModal |
| 205 | open={!!selectedStep} |
| 206 | onOpenChange={(open) => { |
| 207 | if (!open) |
| 208 | setSelectedStep(null) |
| 209 | }} |
| 210 | step={selectedStep} |
| 211 | /> |
| 212 | </div> |
| 213 | ) |
| 214 | } |
| 215 | |
| 216 | export default WorkflowSection |
| 217 |