import type { key_val } from '$lib/stores/ae_stores';
import { api } from '$lib/api/api';

import { db_save_ae_obj_li__ae_obj } from '$lib/ae_core/core__idb_dexie';
import { db_events } from '$lib/ae_events/db_events';
import type { ae_EventPresenter } from '$lib/types/ae_types';

import { load_ae_obj_li__event_file } from '$lib/ae_events/ae_events__event_file';

const ae_promises: key_val = {};

// Updated 2026-01-30: Optimized Non-Blocking SWR Pattern
export async function load_ae_obj_id__event_presenter({
    api_cfg,
    event_presenter_id,
    inc_file_li = false,
    view = 'default',
    try_cache = true,
    log_lvl = 0
}: {
    api_cfg: any;
    event_presenter_id: string;
    inc_file_li?: boolean;
    view?: string;
    try_cache?: boolean;
    log_lvl?: number;
}): Promise<ae_EventPresenter | null> {
    if (log_lvl) {
        console.log(`*** load_ae_obj_id__event_presenter() *** [V3] id=${event_presenter_id} (SWR)`);
    }

    // 1. FAST PATH: Cache hit
    if (try_cache) {
        try {
            const cached = await db_events.presenter.get(event_presenter_id);
            if (cached) {
                // Background refresh (non-blocking)
                _refresh_presenter_id_background({ api_cfg, event_presenter_id, view, try_cache, inc_file_li, log_lvl: 0 });
                return cached;
            }
        } catch (e) {}
    }

    // 2. SLOW PATH: Wait for API
    return await _refresh_presenter_id_background({ api_cfg, event_presenter_id, view, try_cache, inc_file_li, log_lvl });
}

async function _refresh_presenter_id_background({ api_cfg, event_presenter_id, view, try_cache, inc_file_li, log_lvl }: any) {
    if (typeof navigator !== 'undefined' && !navigator.onLine) return null;
    try {
        const result = await api.get_ae_obj_v3({ api_cfg, obj_type: 'event_presenter', obj_id: event_presenter_id, view, log_lvl });
        if (result) {
            const processed = await process_ae_obj__event_presenter_props({ obj_li: [result], log_lvl });
            const processed_obj = processed[0];
            if (try_cache) {
                await db_save_ae_obj_li__ae_obj({ db_instance: db_events, table_name: 'presenter', obj_li: [processed_obj], properties_to_save, log_lvl });
            }
            if (inc_file_li) {
                processed_obj.event_file_li = await load_ae_obj_li__event_file({
                    api_cfg, for_obj_type: 'event_presenter', for_obj_id: event_presenter_id,
                    enabled: 'all', limit: 25, try_cache: false, log_lvl
                });
            }
            return processed_obj;
        }
    } catch (e) {}
    return null;
}

// Updated 2026-01-30: Robust Cache Lookups
export async function load_ae_obj_li__event_presenter({
    api_cfg,
    for_obj_type = 'event_presentation',
    for_obj_id,
    inc_file_li = false,
    enabled = 'enabled',
    hidden = 'not_hidden',
    view = 'default',
    limit = 50,
    offset = 0,
    order_by_li = [
        { priority: 'DESC' },
        { sort: 'DESC' },
        { given_name: 'ASC' },
        { family_name: 'ASC' }
    ],
    try_cache = true,
    log_lvl = 0
}: {
    api_cfg: any;
    for_obj_type?: string;
    for_obj_id: string;
    inc_file_li?: boolean;
    enabled?: 'enabled' | 'all' | 'not_enabled';
    hidden?: 'hidden' | 'all' | 'not_hidden';
    view?: string;
    limit?: number;
    offset?: number;
    order_by_li?: any;
    try_cache?: boolean;
    log_lvl?: number;
}): Promise<ae_EventPresenter[]> {
    if (log_lvl) {
        console.log(`*** load_ae_obj_li__event_presenter() *** [V3] for=${for_obj_type}:${for_obj_id} (SWR)`);
    }

    // 1. FAST PATH: Check cache using specific indices
    if (try_cache) {
        try {
            let cached_li: any[] = [];
            if (for_obj_type === 'event_presentation') {
                cached_li = await db_events.presenter.where('event_presentation_id').equals(for_obj_id).toArray();
            } else if (for_obj_type === 'event_session') {
                cached_li = await db_events.presenter.where('event_session_id').equals(for_obj_id).toArray();
            } else if (for_obj_type === 'event') {
                cached_li = await db_events.presenter.where('event_id').equals(for_obj_id).toArray();
            }

            if (cached_li && cached_li.length > 0) {
                // Background refresh (non-blocking)
                _refresh_presenter_li_background({ api_cfg, for_obj_type, for_obj_id, inc_file_li, enabled, hidden, view, limit, offset, order_by_li, try_cache, log_lvl: 0 });
                return cached_li;
            }
        } catch (e) {}
    }

    // 2. SLOW PATH: Wait for API
    return await _refresh_presenter_li_background({ api_cfg, for_obj_type, for_obj_id, inc_file_li, enabled, hidden, view, limit, offset, order_by_li, try_cache, log_lvl });
}

async function _refresh_presenter_li_background({ api_cfg, for_obj_type, for_obj_id, inc_file_li, enabled, hidden, view, limit, offset, order_by_li, try_cache, log_lvl }: any) {
    if (typeof navigator !== 'undefined' && !navigator.onLine) return [];
    try {
        const result_li = await api.get_ae_obj_li_v3({ api_cfg, obj_type: 'event_presenter', for_obj_type, for_obj_id, enabled, hidden, view, limit, offset, order_by_li, log_lvl });
        if (result_li) {
            const processed = await process_ae_obj__event_presenter_props({ obj_li: result_li, log_lvl });
            
            // String-Only ID Vision: Ensure linking ID is set for indexing
            processed.forEach((p) => {
                if (for_obj_type === 'event_presentation') {
                    p.event_presentation_id = for_obj_id;
                    p.event_presentation_id_random = for_obj_id;
                }
                if (for_obj_type === 'event_session') {
                    p.event_session_id = for_obj_id;
                    p.event_session_id_random = for_obj_id;
                }
                if (for_obj_type === 'event') {
                    p.event_id = for_obj_id;
                    p.event_id_random = for_obj_id;
                }
            });

            if (try_cache) {
                await db_save_ae_obj_li__ae_obj({ db_instance: db_events, table_name: 'presenter', obj_li: processed, properties_to_save, log_lvl });
            }

            // Background nested loads for refreshed items (FIRE AND FORGET)
            if (inc_file_li) {
                processed.forEach(p => {
                    load_ae_obj_li__event_file({
                        api_cfg, for_obj_type: 'event_presenter', for_obj_id: p.id,
                        enabled: 'all', limit: 25, try_cache: false, log_lvl: 0
                    });
                });
            }

            return processed;
        }
    } catch (e) {}
    return [];
}

// Updated 2026-01-20 to V3
export async function create_ae_obj__event_presenter({
    api_cfg,
    event_id,
    event_session_id,
    event_presentation_id,
    data_kv,
    try_cache = true,
    log_lvl = 0
}: {
    api_cfg: any;
    event_id: string;
    event_session_id: string;
    event_presentation_id: string;
    data_kv: key_val;
    try_cache?: boolean;
    log_lvl?: number;
}): Promise<ae_EventPresenter | null> {
    const result = await api.create_ae_obj_v3({
        api_cfg, obj_type: 'event_presenter',
        fields: { event_id, event_session_id, event_presentation_id, ...data_kv },
        log_lvl
    });

    if (result) {
        const processed = await process_ae_obj__event_presenter_props({ obj_li: [result], log_lvl });
        const processed_obj = processed[0];
        if (try_cache) {
            await db_save_ae_obj_li__ae_obj({ db_instance: db_events, table_name: 'presenter', obj_li: [processed_obj], properties_to_save, log_lvl });
        }
        return processed_obj;
    }
    return null;
}

// Updated 2026-01-20 to V3
export async function delete_ae_obj_id__event_presenter({
    api_cfg,
    event_presenter_id,
    method = 'delete',
    try_cache = true,
    log_lvl = 0
}: {
    api_cfg: any;
    event_presenter_id: string;
    method?: 'delete' | 'soft_delete' | 'disable' | 'hide';
    try_cache?: boolean;
    log_lvl?: number;
}) {
    const result = await api.delete_ae_obj_v3({ api_cfg, obj_type: 'event_presenter', obj_id: event_presenter_id, method, log_lvl });
    if (try_cache) await db_events.presenter.delete(event_presenter_id);
    return result;
}

// Updated 2026-01-20 to V3
export async function update_ae_obj__event_presenter({
    api_cfg,
    event_presenter_id,
    data_kv,
    try_cache = true,
    log_lvl = 0
}: {
    api_cfg: any;
    event_presenter_id: string;
    data_kv: key_val;
    try_cache?: boolean;
    log_lvl?: number;
}): Promise<ae_EventPresenter | null> {
    const result = await api.update_ae_obj_v3({ api_cfg, obj_type: 'event_presenter', obj_id: event_presenter_id, fields: data_kv, log_lvl });
    if (result) {
        const processed = await process_ae_obj__event_presenter_props({ obj_li: [result], log_lvl });
        const processed_obj = processed[0];
        if (try_cache) {
            await db_save_ae_obj_li__ae_obj({ db_instance: db_events, table_name: 'presenter', obj_li: [processed_obj], properties_to_save, log_lvl });
        }
        return processed_obj;
    }
    return null;
}

// Updated 2026-01-21 to Restore Full Aether Search Logic
export async function search__event_presenter({
    api_cfg, event_id, fulltext_search_qry_str = '', like_search_qry_str = '', agree = null, biography = null, enabled = 'enabled', hidden = 'not_hidden', view = 'default', limit = 25, offset = 0, order_by_li = [{ sort: 'ASC' }, { given_name: 'ASC' }, { family_name: 'ASC' }], try_cache = true, log_lvl = 0
}: {
    api_cfg: any; event_id: string; fulltext_search_qry_str?: string; like_search_qry_str?: string; agree?: null | boolean; biography?: null | boolean; enabled?: 'enabled' | 'all' | 'not_enabled'; hidden?: 'hidden' | 'all' | 'not_hidden'; view?: string; limit?: number; offset?: number; order_by_li?: any; try_cache?: boolean; log_lvl?: number;
}): Promise<ae_EventPresenter[]> {
    const search_query: any = { q: '', and: [{ field: 'event_id', op: 'eq', value: event_id }] };
    const params: key_val = {};
    if (fulltext_search_qry_str && fulltext_search_qry_str.length > 2) params['ft_qry'] = { 'default_qry_str': fulltext_search_qry_str };
    if (like_search_qry_str) params['lk_qry'] = { 'default_qry_str': like_search_qry_str };
    if (agree !== null) search_query.and.push({ field: 'agree', op: 'eq', value: agree ? 1 : 0 });
    if (biography === true) search_query.and.push({ field: 'biography', op: 'ne', value: '' });
    if (enabled === 'enabled') search_query.and.push({ field: 'enable', op: 'eq', value: 1 });
    else if (enabled === 'not_enabled') search_query.and.push({ field: 'enable', op: 'eq', value: 0 });
    if (hidden === 'hidden') search_query.and.push({ field: 'hide', op: 'eq', value: 1 });
    else if (hidden === 'not_hidden') search_query.and.push({ field: 'hide', op: 'eq', value: 0 });

    const result_li = await api.search_ae_obj_v3({ api_cfg, obj_type: 'event_presenter', search_query, order_by_li, params, view, limit, offset, log_lvl });
    if (result_li) {
        const processed = await process_ae_obj__event_presenter_props({ obj_li: result_li, log_lvl });
        if (try_cache) {
            await db_save_ae_obj_li__ae_obj({ db_instance: db_events, table_name: 'presenter', obj_li: processed, properties_to_save, log_lvl });
        }
        return processed;
    }
    return [];
}

export const properties_to_save = [
    'id', 'event_presenter_id', 'event_presenter_id_random', 'external_id', 'code', 'event_id', 'event_session_id', 'event_presentation_id', 'event_person_id', 'person_id', 'person_profile_id', 'person_id_random', 'person_profile_id_random', 'pronouns', 'informal_name', 'title_names', 'given_name', 'middle_name', 'family_name', 'designations', 'professional_title', 'full_name', 'affiliations', 'email', 'biography', 'agree', 'comments', 'passcode', 'hide_event_launcher', 'data_json', 'enable', 'hide', 'priority', 'sort', 'group', 'notes', 'created_on', 'updated_on', 'tmp_sort_1', 'tmp_sort_2', 'file_count', 'event_session_code', 'event_session_name', 'event_session_start_datetime', 'event_presentation_code', 'event_presentation_name', 'event_presentation_start_datetime', 'person_external_id', 'person_external_sys_id', 'person_given_name', 'person_family_name', 'person_full_name', 'person_professional_title', 'person_affiliations', 'person_primary_email', 'person_passcode'
];

async function _process_generic_props<T extends Record<string, any>>({ obj_li, obj_type, log_lvl = 0, specific_processor }: { obj_li: T[]; obj_type: string; log_lvl?: number; specific_processor?: (obj: T) => Promise<T> | T; }): Promise<T[]> {
    if (!obj_li || obj_li.length === 0) return [];
    const processed_obj_li: T[] = [];
    for (const original_obj of obj_li) {
        let processed_obj = { ...original_obj };
        for (const key in processed_obj) {
            if (key.endsWith('_random')) {
                const newKey = key.slice(0, -7);
                (processed_obj as any)[newKey] = processed_obj[key];
            }
        }
        const randomIdKey = `${obj_type}_id_random`;
        if (processed_obj[randomIdKey]) (processed_obj as any).id = processed_obj[randomIdKey];
        const group = processed_obj.group ?? '0';
        const priority = processed_obj.priority ? 1 : 0;
        const sort = processed_obj.sort ?? '0';
        const updated = processed_obj.updated_on ?? processed_obj.created_on;
        const name = processed_obj.name ?? '';
        (processed_obj as any).tmp_sort_1 = `${group}_${priority}_${sort}_${updated}`;
        (processed_obj as any).tmp_sort_2 = `${group}_${priority}_${sort}_${name}_${updated}`;
        if (specific_processor) processed_obj = await Promise.resolve(specific_processor(processed_obj));
        processed_obj_li.push(processed_obj as T);
    }
    return processed_obj_li;
}

export async function process_ae_obj__event_presenter_props({ obj_li, log_lvl = 0 }: { obj_li: any[]; log_lvl?: number; }) {
    return _process_generic_props({ obj_li, obj_type: 'event_presenter', log_lvl, specific_processor: (obj) => {
        // String-Only ID Vision: Ensure linking IDs are the string versions for indexing
        if (obj.event_presentation_id_random) obj.event_presentation_id = obj.event_presentation_id_random;
        if (obj.event_session_id_random) obj.event_session_id = obj.event_session_id_random;
        if (obj.event_id_random) obj.event_id = obj.event_id_random;
        return obj;
    }});
}