import type { EditingTemplate } from "@/api/editing-planner"
import type { ClipData } from "../types"

/**
 * 计算所有片段的总时长
 */
export function calculateTotalDuration(clips: ClipData[]): number {
  return clips.reduce((sum, c) => sum + c.duration, 0)
}

/**
 * 获取当前选中的模板
 */
export function getCurrentTemplate(
  templates: EditingTemplate[],
  loadedTemplateId: string | null,
): EditingTemplate | undefined {
  return templates.find((t) => t.id === loadedTemplateId)
}

/**
 * 根据分类和搜索词筛选模板
 */
export function getFilteredTemplates(
  templates: EditingTemplate[],
  currentFilter: string,
  searchQuery: string,
): EditingTemplate[] {
  return templates.filter((t) => {
    if (currentFilter !== "全部" && t.category !== currentFilter) return false
    if (searchQuery && !t.name.toLowerCase().includes(searchQuery.toLowerCase())) return false
    return true
  })
}

/**
 * 获取当前选中的片段
 */
export function getSelectedClip(clips: ClipData[], selectedClipId: string | null): ClipData | null {
  return clips.find((c) => c.id === selectedClipId) || null
}