'use client';

import {
    Dialog,
    DialogContent,
    DialogDescription,
    DialogFooter,
    DialogHeader,
    DialogTitle,
} from '@/components/ui/dialog';

import {
    Popover,
    PopoverContent,
    PopoverTrigger,
} from '@/components/ui/popover';
import { Button } from '@/components/ui/button';
import { cn } from '@/lib/utils';
import { format } from 'date-fns';
import { CalendarIcon } from 'lucide-react';
import { Calendar } from '@/components/ui/calendar';
import TimeSelect from './timeSelect';
import { CalendarEventExternal } from '@schedule-x/calendar';
import { Textarea } from '@/components/ui/textarea';
import { Label } from '@/components/ui/label';
import { useEffect, useState } from 'react';
import axios from 'axios';
import {
    DATE_FORMAT,
    PlatformKind,
    PostRequest,
    ScheduleRequest,
    UserPlatforms,
} from '@/lib/types';
import { CalendarSchedule, Event } from './calendar';
import { ToggleGroup, ToggleGroupItem } from '@/components/ui/toggle-group';
import RecentPosts from '../dashboard/recentPosts';
import PlatformIcon from '@/components/icons';
import { Input } from '@/components/ui/input';

type PostDialogProps = {
    newPostDialogOpen: boolean;
    setNewPostDialogOpen: (b: boolean) => void;
    date: Date;
    setDate: (d: Date) => void;
    addEvents: (e: Event) => void;
};

export const today = new Date();
today.setHours(0, 0, 0, 0);

export default function PostDialog({
    newPostDialogOpen,
    setNewPostDialogOpen,
    date,
    setDate,
    addEvents: addEvent,
}: PostDialogProps) {
    const [content, setContent] = useState('');
    const [platforms, setPlatforms] = useState<UserPlatforms>({});
    const [title, setTitle] = useState('');

    const [selectedPlatforms, setSelectedPlatforms] = useState<Set<string>>(
        new Set()
    );

    useEffect(() => {
        axios
            .get('/api/platforms', {
                withCredentials: true,
            })
            .then((res) => {
                setPlatforms(res.data.platforms);
            });
    }, []);

    return (
        <Dialog open={newPostDialogOpen} onOpenChange={setNewPostDialogOpen}>
            <DialogContent>
                <DialogHeader>
                    <DialogTitle>New post</DialogTitle>
                    <DialogDescription>
                        Schedule posts on multiple accounts
                    </DialogDescription>
                </DialogHeader>
                <div className="flex flex-row gap-4">
                    <Popover>
                        <PopoverTrigger asChild>
                            <Button
                                variant={'outline'}
                                className={cn(
                                    'w-[280px] justify-start text-left font-normal',
                                    !date && 'text-muted-foreground'
                                )}
                            >
                                <CalendarIcon className="mr-2 h-4 w-4" />
                                {date ? (
                                    format(date, 'MMMM dd y')
                                ) : (
                                    <span>Pick a date</span>
                                )}
                            </Button>
                        </PopoverTrigger>
                        <PopoverContent className="w-auto p-0">
                            <Calendar
                                selected={date}
                                onSelect={(d: Date | undefined) => {
                                    if (d) {
                                        const newDate = new Date(d);
                                        newDate.setHours(
                                            date.getHours(),
                                            date.getMinutes(),
                                            0,
                                            0
                                        );
                                        setDate(newDate);
                                    }
                                }}
                                mode="single"
                                disabled={(date) => date < today}
                            />
                        </PopoverContent>
                    </Popover>

                    <TimeSelect
                        date={date || new Date()}
                        setDate={setDate}
                        className=""
                    />
                </div>

                <div className="grid w-full gap-1.5">
                    <ToggleGroup
                        type="multiple"
                        className="flex flex-wrap gap-2 mr-auto"
                    >
                        {Object.entries(platforms).map(([name, platform]) => (
                            <ToggleGroupItem
                                key={platform.platform + platform.icon}
                                value={platform.icon + platform.platform}
                                className="w-14 h-12"
                                onClick={() => {
                                    setSelectedPlatforms((prev) => {
                                        const newSet = new Set(prev);
                                        if (newSet.has(name)) {
                                            newSet.delete(name); // Toggle off
                                        } else {
                                            newSet.add(name); // Toggle on
                                        }
                                        return newSet;
                                    });
                                }}
                            >
                                <div className="relative w-10 h-10">
                                    <img
                                        src={platform.icon}
                                        className="w-10 h-10 rounded-full"
                                    />
                                    <PlatformIcon
                                        platform={platform.platform}
                                        className="absolute bottom-0 right-0 bg-background"
                                    />
                                </div>
                            </ToggleGroupItem>
                        ))}
                    </ToggleGroup>
                </div>

                <div className="grid w-full gap-1.5">
                    <Label htmlFor="title">Title</Label>
                    <Input
                        type="text"
                        placeholder="Title"
                        value={title}
                        onChange={(e) => setTitle(e.target.value)}
                    />
                </div>
                <div className="grid w-full gap-1.5">
                    <Label htmlFor="message">Content</Label>
                    <Textarea
                        className="resize-none"
                        placeholder="Enter your content here"
                        onChange={(event) => setContent(event.target.value)}
                    />
                </div>

                <DialogFooter>
                    <Button
                        variant="outline"
                        onClick={() => setNewPostDialogOpen(false)}
                    >
                        Cancel
                    </Button>
                    <Button
                        variant="secondary"
                        onClick={() => {
                            axios.post(
                                '/api/posts',
                                {
                                    platforms: Array.from(selectedPlatforms),
                                    content,
                                } satisfies PostRequest,
                                {
                                    withCredentials: true,
                                }
                            );

                            setNewPostDialogOpen(false);
                        }}
                    >
                        Post now
                    </Button>
                    <Button
                        onClick={async () => {
                            const { data } = await axios.put(
                                '/api/posts',
                                {
                                    scheduled: format(date, DATE_FORMAT),
                                    platforms: Array.from(selectedPlatforms),
                                    content,
                                } satisfies ScheduleRequest,
                                {
                                    withCredentials: true,
                                }
                            );

                            addEvent({
                                id: data.id,
                                time: date,
                                title: 'New Post',
                            });

                            setNewPostDialogOpen(false);
                        }}
                    >
                        Schedule post
                    </Button>
                </DialogFooter>
            </DialogContent>
        </Dialog>
    );
}