# Code coverage report for pages/Tasks.jsx

# All files / pages Tasks.jsx

50% Statements 28/56
58.66% Branches 44/75
31.81% Functions 7/22
60% Lines 27/45

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     import { useState } from 'react'
    import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
    import { motion, AnimatePresence } from 'framer-motion'
    import { Plus, Check, Circle, Calendar, AlertTriangle, Undo2, Edit2, Repeat } from 'lucide-react'
    import { format, parseISO, isToday, isTomorrow, isPast } from 'date-fns'
    import { ru } from 'date-fns/locale'
    import { tasksApi } from '../api/tasks'
    import Navigation from '../components/Navigation'
    import CreateTaskModal from '../components/CreateTaskModal'
    import EditTaskModal from '../components/EditTaskModal'
    import clsx from 'clsx'

    const PRIORITY_LABELS = {
      0: null,
      1: { label: 'Низкий', class: 'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400' },
      2: { label: 'Средний', class: 'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400' },
      3: { label: 'Высокий', class: 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400' },
    }

    const RECURRENCE_LABELS = {
      daily: 'Ежедневно',
      weekly: 'Еженедельно',
      monthly: 'Ежемесячно',
      custom: 'Повтор',
    }

    function formatDueDate(dateStr) {
      if (!dateStr) return null
      const date = parseISO(dateStr)
      Iif (isToday(date)) return 'Сегодня'
      Iif (isTomorrow(date)) return 'Завтра'
      return format(date, 'd MMM', { locale: ru })
    }

    export default function Tasks({ embedded = false }) {
      const [showCreate, setShowCreate] = useState(false)
      const [editingTask, setEditingTask] = useState(null)
      const [filter, setFilter] = useState('active')
      const queryClient = useQueryClient()

      const { data: tasks = [], isLoading } = useQuery({
        queryKey: ['tasks', filter],
        queryFn: () => {
          Iif (filter === 'all') return tasksApi.list()
          return tasksApi.list(filter === 'completed')
        },
      })

      const completeMutation = useMutation({
        mutationFn: (id) => tasksApi.complete(id),
        onSuccess: () => {
          queryClient.invalidateQueries({ queryKey: ['tasks'] })
          queryClient.invalidateQueries({ queryKey: ['tasks-today'] })
        },
      })

      const uncompleteMutation = useMutation({
        mutationFn: (id) => tasksApi.uncomplete(id),
        onSuccess: () => {
          queryClient.invalidateQueries({ queryKey: ['tasks'] })
          queryClient.invalidateQueries({ queryKey: ['tasks-today'] })
        },
      })

      const handleToggle = (task) => {
        if (task.completed) uncompleteMutation.mutate(task.id)
        else completeMutation.mutate(task.id)
      }

      return (
        <div className={embedded ? "" : "min-h-screen bg-surface-50 dark:bg-gray-950 gradient-mesh pb-24 transition-colors duration-300"}>
          {!embedded && <header className="bg-white/70 dark:bg-gray-900/70 backdrop-blur-xl border-b border-gray-100/50 dark:border-gray-800 sticky top-0 z-10">
            <div className="max-w-lg mx-auto px-4 py-4">
              <div className="flex items-center justify-between">
                <h1 className="text-xl font-display font-bold text-gray-900 dark:text-white">Задачи</h1>
                <button onClick={() => setShowCreate(true)} className="p-2 bg-primary-500 text-white rounded-xl hover:bg-primary-600 transition-colors shadow-lg shadow-primary-500/30">
                  <Plus size={22} />
                </button>
              </div>

              <div className="flex gap-2 mt-4">
                {[
                  { key: 'active', label: 'Активные' },
                  { key: 'completed', label: 'Выполненные' },
                  { key: 'all', label: 'Все' },
                ].map(({ key, label }) => (
                  <button
                    key={key}
                    onClick={() => setFilter(key)}
                    className={clsx(
                      'px-4 py-2 rounded-xl text-sm font-medium transition-all',
                      filter === key
                        ? 'bg-primary-500 text-white shadow-lg shadow-primary-500/30'
                        : 'bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-300 hover:bg-gray-200 dark:hover:bg-gray-700'
                    )}
                  >
                    {label}
                  </button>
                ))}
              </div>
            </div>
          </header>}

          <main className="max-w-lg mx-auto px-4 py-6">
            {isLoading ? (
              <div className="space-y-4">
                {[1, 2, 3].map((i) => (
                  <div key={i} className="card p-5 animate-pulse">
                    <div className="flex items-center gap-4">
                      <div className="w-10 h-10 rounded-xl bg-gray-200 dark:bg-gray-700" />
                      <div className="flex-1">
                        <div className="h-5 bg-gray-200 dark:bg-gray-700 rounded-lg w-3/4 mb-2" />
                        <div className="h-4 bg-gray-200 dark:bg-gray-700 rounded-lg w-1/4" />
                      </div>
                    </div>
                  </div>
                ))}
              </div>
            ) : tasks.length === 0 ? (
              <motion.div initial={{ opacity: 0, scale: 0.95 }} animate={{ opacity: 1, scale: 1 }} className="card p-10 text-center">
                <div className="w-20 h-20 rounded-3xl bg-gradient-to-br from-primary-100 to-primary-200 dark:from-primary-900/30 dark:to-primary-800/30 flex items-center justify-center mx-auto mb-5">
                  <Check className="w-10 h-10 text-primary-600 dark:text-primary-400" />
                </div>
                <h3 className="text-xl font-display font-bold text-gray-900 dark:text-white mb-2">
                  {filter === 'active' ? 'Нет активных задач' : filter === 'completed' ? 'Нет выполненных задач' : 'Нет задач'}
                </h3>
                <p className="text-gray-500 dark:text-gray-400 mb-6">
                  {filter === 'active' ? 'Добавь новую задачу или выбери другой фильтр' : 'Выполняй задачи и они появятся здесь'}
                </p>
                {filter === 'active' && (
                  <button onClick={() => setShowCreate(true)} className="btn btn-primary">
                    <Plus size={18} />
                    Добавить задачу
                  </button>
                )}
              </motion.div>
            ) : (
              <div className="space-y-4">
                <AnimatePresence>
                  {tasks.map((task, index) => (
                    <TaskCard key={task.id} task={task} index={index} onToggle={() => handleToggle(task)} onEdit={() => setEditingTask(task)} isLoading={completeMutation.isPending || uncompleteMutation.isPending} />
                  ))}
                </AnimatePresence>
              </div>
            )}
          </main>

          {!embedded && <Navigation />}
          <CreateTaskModal open={showCreate} onClose={() => setShowCreate(false)} />
          <EditTaskModal open={!!editingTask} onClose={() => setEditingTask(null)} task={editingTask} />
        </div>
      )
    }

    function TaskCard({ task, index, onToggle, onEdit, isLoading }) {
      const [showConfetti, setShowConfetti] = useState(false)
      const priorityInfo = PRIORITY_LABELS[task.priority]
      const dueDateLabel = formatDueDate(task.due_date)
      const isOverdue = task.due_date && isPast(parseISO(task.due_date)) && !isToday(parseISO(task.due_date)) && !task.completed

      const handleCheck = (e) => {
        e.stopPropagation()
        if (isLoading) return
        if (!task.completed) { setShowConfetti(true); setTimeout(() => setShowConfetti(false), 1000) }
        onToggle()
      }

      return (
        <motion.div
          initial={{ opacity: 0, y: 20 }}
          animate={{ opacity: 1, y: 0 }}
          exit={{ opacity: 0, x: -100 }}
          transition={{ delay: index * 0.05 }}
          className="card p-4 relative overflow-hidden"
        >
          {showConfetti && (
            <motion.div initial={{ opacity: 1 }} animate={{ opacity: 0 }} transition={{ duration: 1 }} className="absolute inset-0 pointer-events-none">
              {[...Array(6)].map((_, i) => (
                <motion.div key={i} initial={{ x: '50%', y: '50%', scale: 0 }} animate={{ x: `${Math.random() * 100}%`, y: `${Math.random() * 100}%`, scale: [0, 1, 0] }} transition={{ duration: 0.6, delay: i * 0.05 }} className="absolute w-2 h-2 rounded-full" style={{ backgroundColor: task.color }} />
              ))}
            </motion.div>
          )}

          <div className="flex items-start gap-3">
            <motion.button
              onClick={handleCheck}
              disabled={isLoading}
              whileTap={{ scale: 0.9 }}
              className={clsx(
                'w-10 h-10 rounded-xl flex items-center justify-center transition-all duration-300 flex-shrink-0 mt-0.5',
                task.completed ? 'bg-gradient-to-br from-green-400 to-green-500 shadow-lg shadow-green-400/30' : 'border-2 hover:shadow-md'
              )}
              style={{ borderColor: task.completed ? undefined : task.color + '40', backgroundColor: task.completed ? undefined : task.color + '10' }}
            >
              {task.completed ? (
                <motion.div initial={{ scale: 0, rotate: -180 }} animate={{ scale: 1, rotate: 0 }} transition={{ type: 'spring', stiffness: 500 }}>
                  <Check className="w-5 h-5 text-white" strokeWidth={3} />
                </motion.div>
              ) : (
                <span className="text-lg">{task.icon || '📋'}</span>
              )}
            </motion.button>

            <div className="flex-1 min-w-0" onClick={onEdit}>
              <div className="flex items-center gap-2">
                <h3 className={clsx("font-semibold truncate cursor-pointer hover:text-primary-600 dark:hover:text-primary-400", task.completed ? "text-gray-400 line-through" : "text-gray-900 dark:text-white")}>{task.title}</h3>
                {task.is_recurring && <span className="text-sm" title={RECURRENCE_LABELS[task.recurrence_type] || 'Повторяется'}>🔄</span>}
              </div>

              {task.description && <p className="text-sm text-gray-500 dark:text-gray-400 truncate mt-0.5">{task.description}</p>}

              <div className="flex items-center gap-2 mt-2 flex-wrap">
                {dueDateLabel && (
                  <span className={clsx('inline-flex items-center gap-1 px-2 py-0.5 rounded-md text-xs font-medium', isOverdue ? 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400' : 'bg-gray-100 text-gray-600 dark:bg-gray-800 dark:text-gray-400')}>
                    {isOverdue && <AlertTriangle size={12} />}
                    <Calendar size={12} />
                    {dueDateLabel}
                  </span>
                )}

                {priorityInfo && <span className={clsx('px-2 py-0.5 rounded-md text-xs font-medium', priorityInfo.class)}>{priorityInfo.label}</span>}

                {task.is_recurring && task.recurrence_type && (
                  <span className="inline-flex items-center gap-1 px-2 py-0.5 rounded-md text-xs font-medium bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400">
                    <Repeat size={12} />
                    {RECURRENCE_LABELS[task.recurrence_type]}
                  </span>
                )}
              </div>
            </div>

            <div className="flex items-center gap-1">
              <button onClick={onEdit} className="p-2 text-gray-400 hover:text-primary-500 hover:bg-primary-50 dark:hover:bg-primary-900/20 rounded-xl transition-all">
                <Edit2 size={16} />
              </button>

              {task.completed && (
                <motion.button initial={{ opacity: 0, scale: 0.8 }} animate={{ opacity: 1, scale: 1 }} onClick={handleCheck} disabled={isLoading} className="p-2 text-gray-400 hover:text-orange-500 hover:bg-orange-50 dark:hover:bg-orange-900/20 rounded-xl transition-all" title="Отменить">
                  <Undo2 size={16} />
                </motion.button>
              )}
            </div>
          </div>
        </motion.div>
      )
    }