import { APPWRITE_ALMEIRA_CONFIG, Query } from '@/lib/appwrite';
import { createAdminClient } from '@/lib/appwrite.server';
import TopBanner from './TopBanner';
import ClientSidebars from './ClientSidebars';

import { Settings } from '@/types/settings';

async function fetchSettings(): Promise<Settings> {
    try {
       const client = await createAdminClient();
        const res = await client.databases.listDocuments(APPWRITE_ALMEIRA_CONFIG.databaseId, 'settings', [Query.limit(1)]);
        if (res.documents.length > 0) return res.documents[0] as unknown as Settings;
    } catch(e) {
       console.error("fetchSettings error:", e);
    }
    return { rotation_seconds: 5, ticker_count: 10, feed_news_count: 12, show_news_date: true };
}

export async function GlobalTopBanner() {
    let banners: any[] = [];
    let settings = await fetchSettings();

    try {
        const client = await createAdminClient();
        const typesRes = await client.databases.listDocuments(APPWRITE_ALMEIRA_CONFIG.databaseId, 'publication_types', [
            Query.equal('codigo', 'DISPLAY_BANNER')
        ]);
        
        if (typesRes.documents.length > 0) {
            const firstType = typesRes.documents[0];
            const typeId = firstType?.$id;
            if (!typeId) return null;
            
            const postsRes = await client.databases.listDocuments(APPWRITE_ALMEIRA_CONFIG.databaseId, 'posts', [
                Query.equal('tipo_publicacion_id', typeId),
                Query.equal('estado', 'Publicado'),
                Query.orderDesc('fecha_publicacion'),
                Query.limit(20)
            ]);
            
            // FIltrar caducados en memoria por seguridad (Appwrite no maneja > de fechas tan dinámico a veces sin índices exactos)
            const now = new Date();
            banners = postsRes.documents.filter(post => {
                if (!post.fecha_finalizacion) return true;
                return new Date(post.fecha_finalizacion) >= now;
            });
        }
    } catch (e) {
        console.error("TopBanner fetch error", e);
    }

    if (banners.length === 0) return null;

    return <TopBanner initialBanners={banners} rotationSeconds={settings.rotation_seconds} />
}

export async function GlobalSidebar() {
    let settings = { rotation_seconds: 5 } as Settings;
    let groupedAds: Record<string, any[]> = {};

    try {
        settings = await fetchSettings();
        const client = await createAdminClient();
        
        // 1. Obtener tipos válidos para sidebar
        const typesRes = await client.databases.listDocuments(APPWRITE_ALMEIRA_CONFIG.databaseId, 'publication_types', []);
        const validCodes = ['DISPLAY_SLIDER', 'EVENTO', 'CLASIFICADO', 'AD_BANNER'];
        const validTypeIds = typesRes.documents.filter(t => validCodes.includes(t.codigo)).map(t => t.$id);

        if (validTypeIds.length > 0) {
            const postsRes = await client.databases.listDocuments(APPWRITE_ALMEIRA_CONFIG.databaseId, 'posts', [
                Query.equal('estado', 'Publicado'),
                Query.orderAsc('fecha_finalizacion'),
                Query.limit(50)
            ]);

            const now = new Date();
            const activePosts = postsRes.documents.filter(post => {
                if (!post.tipo_publicacion_id) return false;
                const typeId = typeof post.tipo_publicacion_id === 'string' ? post.tipo_publicacion_id : post.tipo_publicacion_id.$id;
                if (!validTypeIds.includes(typeId)) return false;
                if (post.fecha_finalizacion && new Date(post.fecha_finalizacion) < now) return false;
                return true;
            });

            for (const post of activePosts) {
                let slogan = 'Patrocinado';
                if (post.cliente_id) {
                     try {
                         const client_id = typeof post.cliente_id === 'string' ? post.cliente_id : post.cliente_id.$id;
                         const contracts = await client.databases.listDocuments(APPWRITE_ALMEIRA_CONFIG.databaseId, 'contracts', [
                             Query.equal('cliente_id', client_id),
                             Query.equal('estado', 'Activo'),
                             Query.limit(1)
                         ]);
                         if (contracts.documents.length > 0 && contracts.documents[0].eslogan) {
                             slogan = contracts.documents[0].eslogan;
                         }
                     } catch(e) {}
                }
                
                if (!groupedAds[slogan]) groupedAds[slogan] = [];
                groupedAds[slogan].push(post);
            }
        }
    } catch (e) {
        console.error("Sidebar fetch error", e);
    }

    if (Object.keys(groupedAds).length === 0) return null;

    return <ClientSidebars groupedAds={groupedAds} rotationSeconds={settings.rotation_seconds} />
}

export async function hasSidebarContent(): Promise<boolean> {
    try {
        const client = await createAdminClient();
        const typesRes = await client.databases.listDocuments(APPWRITE_ALMEIRA_CONFIG.databaseId, 'publication_types', []);
        const validCodes = ['DISPLAY_SLIDER', 'EVENTO', 'CLASIFICADO', 'AD_BANNER'];
        const validTypeIds = typesRes.documents.filter(t => validCodes.includes(t.codigo)).map(t => t.$id);

        if (validTypeIds.length === 0) return false;

        const postsRes = await client.databases.listDocuments(APPWRITE_ALMEIRA_CONFIG.databaseId, 'posts', [
            Query.equal('estado', 'Publicado'),
            Query.limit(20)
        ]);

        const now = new Date();
        return postsRes.documents.some(post => {
            if (!post.tipo_publicacion_id) return false;
            const typeId = typeof post.tipo_publicacion_id === 'string' ? post.tipo_publicacion_id : post.tipo_publicacion_id.$id;
            if (!validTypeIds.includes(typeId)) return false;
            if (post.fecha_finalizacion && new Date(post.fecha_finalizacion) < now) return false;
            return true;
        });
    } catch(e) {
        return false;
    }
}