import { type Component, For, createMemo } from "solid-js";
import { store, calculateUrgencyScore, getCombinedScore } from "@/store";
import { TaskCard } from "@/components/TaskCard";

export const UrgencyView: Component = () => {
    const sortedTasks = createMemo(() => {
        return [...store.tasks].filter(t => !t.deletedAt).sort((a, b) => {
            if (a.completed !== b.completed) return a.completed ? 1 : -1;
            const uA = calculateUrgencyScore(a.dueDate);
            const uB = calculateUrgencyScore(b.dueDate);
            if (uA !== uB) return uB - uA;
            // Tie-break with combined score (Priority + Tags)
            return getCombinedScore(b) - getCombinedScore(a);
        });
    });

    return (
        <div class="space-y-6">
            <header>
                <h2 class="text-3xl font-bold tracking-tight">Time</h2>
                <p class="text-muted-foreground mt-1 text-lg">Your tasks ordered by deadline.</p>
            </header>

            <div class="grid gap-3">
                <For each={sortedTasks()}>
                    {(task) => <TaskCard task={task} />}
                </For>
            </div>

            {sortedTasks().length === 0 && (
                <div class="flex flex-col items-center justify-center py-20 text-center">
                    <div class="w-16 h-16 bg-muted rounded-full flex items-center justify-center mb-4">
                        <span class="text-2xl">⏳</span>
                    </div>
                    <p class="text-muted-foreground">All clear. No time-sensitive tasks.</p>
                </div>
            )}
        </div>
    );
};