import { type Component, For } from "solid-js";
import { ThemeToggle } from "../components/ThemeToggle";
import { store, restoreTask, deleteTaskPermanently, setMatrixScaleDays } from "@/store";
import { Trash2, Undo2, ArrowLeftRight } from "lucide-solid";
import { Button } from "@/components/ui/button";
import { toast } from "solid-sonner";
import { Select, SelectContent, SelectItem, SelectTrigger } from "@/components/ui/select";
import { pb } from "@/lib/pocketbase";

export const SettingsView: Component = () => {
    return (
        <div class="px-6 py-10 max-w-2xl mx-auto space-y-10 animate-in fade-in slide-in-from-bottom-2 duration-500">
            <header class="space-y-1 flex items-center justify-between">
                <div>
                    <h1 class="text-3xl font-bold tracking-tight">Settings</h1>
                    <p class="text-muted-foreground">{pb.authStore.model?.email}</p>
                </div>
                <Button variant="ghost" size="sm" onClick={() => { pb.authStore.clear(); location.reload(); }}>Sign Out</Button>
            </header>

            <div class="grid gap-6">
                <section class="p-5 rounded-2xl border border-border bg-card shadow-sm">
                    <div class="flex items-center justify-between">
                        <div class="space-y-0.5">
                            <h3 class="text-base font-semibold">Appearance</h3>
                            <p class="text-sm text-muted-foreground">Select your preferred color scheme.</p>
                        </div>
                        <ThemeToggle />
                    </div>
                </section>

                {/* Matrix Configuration */}
                <section class="p-5 rounded-2xl border border-border bg-card shadow-sm space-y-4">
                    <div class="flex items-center justify-between">
                        <div class="space-y-0.5">
                            <h3 class="text-base font-semibold flex items-center gap-2">
                                <ArrowLeftRight size={16} />
                                Matrix Horizon
                            </h3>
                            <p class="text-sm text-muted-foreground">Adjust the time scale for your strategy grid.</p>
                        </div>
                        <div class="w-[120px]">
                            <Select
                                value={store.matrixScaleDays.toString()}
                                onChange={(val) => val && setMatrixScaleDays(parseInt(val))}
                                options={["7", "14", "30", "60", "90"]}
                                placeholder="Select days"
                                itemComponent={(props) => <SelectItem item={props.item}>{props.item.rawValue} days</SelectItem>}
                            >
                                <SelectTrigger class="h-9">
                                    <span class="text-sm font-medium">{store.matrixScaleDays} days</span>
                                </SelectTrigger>
                                <SelectContent />
                            </Select>
                        </div>
                    </div>
                </section>

                <section class="p-5 rounded-2xl border border-border bg-card shadow-sm space-y-4">
                    <div class="space-y-0.5">
                        <h3 class="text-base font-semibold flex items-center gap-2">
                            <Trash2 size={16} />
                            Trash
                        </h3>
                        <p class="text-sm text-muted-foreground">Items are permanently deleted after 7 days.</p>
                    </div>

                    <div class="space-y-2">
                        <For each={store.tasks.filter(t => t.deletedAt)} fallback={
                            <div class="text-center py-8 text-muted-foreground text-sm italic border border-dashed border-border rounded-xl">
                                Trash is empty.
                            </div>
                        }>
                            {(task) => {
                                const daysLeft = Math.ceil(((task.deletedAt || 0) + (7 * 24 * 60 * 60 * 1000) - Date.now()) / (1000 * 60 * 60 * 24));
                                return (
                                    <div class="flex items-center justify-between p-3 rounded-xl bg-muted/30 border border-border/50 group hover:bg-muted/50 transition-colors">
                                        <div class="min-w-0 flex-1 mr-4">
                                            <p class="font-medium truncate">{task.title || "Untitled"}</p>
                                            <p class="text-[10px] text-muted-foreground">Expires in {Math.max(0, daysLeft)} days</p>
                                        </div>
                                        <div class="flex items-center gap-1">
                                            <Button
                                                variant="ghost"
                                                size="sm"
                                                class="h-8 px-2 text-xs hover:bg-green-500/10 hover:text-green-600"
                                                onClick={() => {
                                                    restoreTask(task.id);
                                                    toast.success("Task restored");
                                                }}
                                            >
                                                <Undo2 size={14} class="mr-1" />
                                                Recover
                                            </Button>
                                            <Button
                                                variant="ghost"
                                                size="icon"
                                                class="h-8 w-8 hover:bg-red-500/10 hover:text-red-600"
                                                onClick={() => {
                                                    // For permanent deletion, still using confirm for safety but ensuring toast follows
                                                    if (confirm("Permanently delete this task? This cannot be undone.")) {
                                                        deleteTaskPermanently(task.id);
                                                        toast.error("Task permanently deleted", {
                                                            duration: 3000
                                                        });
                                                    }
                                                }}
                                            >
                                                <Trash2 size={14} />
                                            </Button>
                                        </div>
                                    </div>
                                );
                            }}
                        </For>
                    </div>
                </section>
            </div>
        </div>
    );
};