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

const ae_promises: key_val = {};

// Updated 2025-05-22
export async function load_ae_obj_id__event_presentation({
	api_cfg,
	event_presentation_id,
	inc_file_li = false,
	inc_presenter_li = false,
	enabled = 'enabled',
	hidden = 'not_hidden',
	limit = 49,
	offset = 0,
	try_cache = true,
	log_lvl = 0
}: {
	api_cfg: any;
	event_presentation_id: string;
	inc_file_li?: boolean;
	inc_presenter_li?: boolean;
	enabled?: 'enabled' | 'all' | 'not_enabled' | undefined;
	hidden?: 'hidden' | 'all' | 'not_hidden' | undefined;
	limit?: number;
	offset?: number;
	try_cache?: boolean;
	log_lvl?: number;
}) {
	if (log_lvl) {
		console.log(
			`*** load_ae_obj_id__event_presentation() *** event_presentation_id=${event_presentation_id}`
		);
	}

	const params = {};

	ae_promises.load__event_presentation_obj = await api
		.get_ae_obj_id_crud({
			api_cfg: api_cfg,
			obj_type: 'event_presentation',
			obj_id: event_presentation_id, // NOTE: This is the FQDN, not normally the ID.
			use_alt_table: false, // NOTE: This will use the table_name_alt value instead of the table_name value in the API config.
			use_alt_base: false, // NOTE: This will use the base_name_alt value instead of the base_name value
			params: params,
			log_lvl: log_lvl
		})
		.then(async function (event_presentation_obj_get_result) {
			if (event_presentation_obj_get_result) {
				if (try_cache) {
					// Process the results first
					const processed_obj_li = await process_ae_obj__event_presentation_props({
						obj_li: [event_presentation_obj_get_result],
						log_lvl: log_lvl
					});
					if (log_lvl) {
						console.log('Processed object list:', processed_obj_li);
					}
					// Save the updated results list to the database
					if (log_lvl) {
						console.log('Saving to DB...');
					}
					await db_save_ae_obj_li__ae_obj({
						db_instance: db_events,
						table_name: 'presentation',
						obj_li: processed_obj_li,
						properties_to_save: properties_to_save,
						log_lvl: log_lvl
					});
					if (log_lvl) {
						console.log('DB save completed.');
					}

					// // This is expecting a list
					// db_save_ae_obj_li__event_presentation({
					//     obj_type: 'event_presentation',
					//     obj_li: [event_presentation_obj_get_result]

					// });
				}
				return event_presentation_obj_get_result;
			} else {
				console.log('No results returned.');
				return null;
			}
		})
		.catch(function (error: any) {
			console.log('No results returned or failed.', error);
		});

	if (log_lvl) {
		console.log(
			'ae_promises.load__event_presentation_obj:',
			ae_promises.load__event_presentation_obj
		);
	}

	if (ae_promises?.load__event_presentation_obj === null) {
		console.log('No results returned.');
		return null;
	}

	if (inc_file_li) {
		// Load the files for the presentation
		if (log_lvl) {
			console.log(`Need to load the file list for the presentation now.`);
		}
		const load_event_file_obj_li = load_ae_obj_li__event_file({
			api_cfg: api_cfg,
			for_obj_type: 'event_presentation',
			for_obj_id: event_presentation_id,
			enabled: 'all',
			limit: 25,
			try_cache: try_cache,
			log_lvl: log_lvl
		}).then((event_file_obj_li) => {
			if (log_lvl) {
				console.log(`event_file_obj_li = `, event_file_obj_li);
			}
			return event_file_obj_li;
		});

		if (log_lvl) {
			console.log(`event_file_obj_li = `, load_event_file_obj_li);
		}
		ae_promises.load__event_presentation_obj.event_file_li = load_event_file_obj_li;
	}

	if (inc_presenter_li) {
		// Load the presenters for the presentation
		if (log_lvl) {
			console.log(`Need to load the presenter list for the presentation now.`);
		}
		const load_event_presenter_obj_li = load_ae_obj_li__event_presenter({
			api_cfg: api_cfg,
			for_obj_type: 'event_presentation',
			for_obj_id: event_presentation_id,
			inc_file_li: inc_file_li,
			enabled: enabled,
			hidden: hidden,
			limit: limit,
			offset: offset,
			// order_by_li: {'priority': 'DESC', 'sort': 'DESC', 'updated_on': 'DESC', 'created_on': 'DESC'},
			// params: params,
			try_cache: try_cache,
			log_lvl: log_lvl
		}).then((event_presenter_obj_li) => {
			if (log_lvl) {
				console.log(`event_presenter_obj_li = `, event_presenter_obj_li);
			}
			return event_presenter_obj_li;
		});

		if (log_lvl) {
			console.log(`event_presenter_obj_li = `, load_event_presenter_obj_li);
		}
		ae_promises.load__event_presentation_obj.event_presenter_li = load_event_presenter_obj_li;
	}

	return ae_promises.load__event_presentation_obj;
}

// Updated 2025-05-22
export async function load_ae_obj_li__event_presentation({
	api_cfg,
	for_obj_type = 'event_session',
	for_obj_id,
	inc_file_li = false,
	inc_presenter_li = false,
	enabled = 'enabled',
	hidden = 'not_hidden',
	limit = 49,
	offset = 0,
	order_by_li = {
		priority: 'DESC',
		sort: 'DESC',
		start_datetime: 'ASC',
		name: 'ASC',
		updated_on: 'DESC',
		created_on: 'DESC'
	},
	params = {},
	try_cache = true,
	log_lvl = 0
}: {
	api_cfg: any;
	for_obj_type: string;
	for_obj_id: string;
	inc_file_li?: boolean;
	inc_presenter_li?: boolean;
	enabled?: 'enabled' | 'all' | 'not_enabled' | undefined;
	hidden?: 'hidden' | 'all' | 'not_hidden' | undefined;
	limit?: number;
	offset?: number;
	order_by_li?: key_val;
	params?: key_val;
	try_cache?: boolean;
	log_lvl?: number;
}) {
	if (log_lvl) {
		console.log(
			`*** load_ae_obj_li__event_presentation() *** for_obj_type=${for_obj_type} for_obj_id=${for_obj_id}`
		);
	}

	// let enabled: string = (params.qry__enabled ?? 'enabled'); // all, disabled, enabled
	// let hidden: string = (params.qry__hidden ?? 'not_hidden'); // all, hidden, not_hidden
	// let limit: number = (params.qry__limit ?? 99); // 99
	// let offset: number = (params.qry__offset ?? 0); // 0

	const params_json: key_val = {};

	// console('params_json:', params_json);

	// ae_promises.load__event_presentation_obj_li = await api.get_ae_obj_li_for_obj_id_crud({
	ae_promises.load__event_presentation_obj_li = await api
		.get_ae_obj_li_for_obj_id_crud_v2({
			api_cfg: api_cfg,
			obj_type: 'event_presentation',
			for_obj_type: for_obj_type,
			for_obj_id: for_obj_id,
			use_alt_tbl: true, // NOTE: This will use the table_name_alt value instead of the table_name value in the API config.
			// use_alt_mdl: false, // NOTE: This will use the base_name_alt value instead of the base_name value
			enabled: enabled,
			hidden: hidden,
			order_by_li: order_by_li,
			limit: limit,
			offset: offset,
			params_json: params_json,
			params: params,
			log_lvl: log_lvl
		})
		.then(async function (event_presentation_obj_li_get_result) {
			if (event_presentation_obj_li_get_result) {
				if (try_cache) {
					// Process the results first
					const processed_obj_li = await process_ae_obj__event_presentation_props({
						obj_li: event_presentation_obj_li_get_result,
						log_lvl: log_lvl
					});
					if (log_lvl) {
						console.log('Processed object list:', processed_obj_li);
					}
					// Save the updated results list to the database
					if (log_lvl) {
						console.log('Saving to DB...');
					}
					await db_save_ae_obj_li__ae_obj({
						db_instance: db_events,
						table_name: 'presentation',
						obj_li: processed_obj_li,
						properties_to_save: properties_to_save,
						log_lvl: log_lvl
					});
					if (log_lvl) {
						console.log('DB save completed.');
					}

					// db_save_ae_obj_li__event_presentation({
					//     obj_type: 'event_presentation', obj_li: event_presentation_obj_li_get_result
					// });
				}
				return event_presentation_obj_li_get_result;
			} else {
				return [];
			}
		})
		.catch(function (error: any) {
			console.log('No results returned or failed.', error);
		});

	if (log_lvl) {
		console.log(
			'ae_promises.load__event_presentation_obj_li:',
			ae_promises.load__event_presentation_obj_li
		);
	}

	if (inc_file_li) {
		// Load the files for the presentations
		if (log_lvl) {
			console.log(`Need to load the file list for each presentation now.`);
		}
		for (let i = 0; i < ae_promises.load__event_presentation_obj_li.length; i++) {
			const event_presentation_obj = ae_promises.load__event_presentation_obj_li[i];
			const event_presentation_id = event_presentation_obj.event_presentation_id_random;

			const load_event_file_obj_li = load_ae_obj_li__event_file({
				api_cfg: api_cfg,
				for_obj_type: 'event_presentation',
				for_obj_id: event_presentation_id,
				enabled: enabled,
				limit: limit,
				try_cache: try_cache,
				log_lvl: log_lvl
			}).then((event_file_obj_li) => {
				if (log_lvl) {
					console.log(`event_file_obj_li = `, event_file_obj_li);
				}
				return event_file_obj_li;
			});

			if (log_lvl) {
				console.log(`event_file_obj_li = `, load_event_file_obj_li);
			}
			// ae_promises.load__event_presentation_obj.event_file_li = load_event_file_obj_li;
		}
	}

	if (inc_presenter_li) {
		// Load the presenters for the presentations
		if (log_lvl) {
			console.log(`Need to load the presenter list for each presentation now.`);
		}
		for (let i = 0; i < ae_promises.load__event_presentation_obj_li.length; i++) {
			const event_presentation_obj = ae_promises.load__event_presentation_obj_li[i];
			const event_presentation_id = event_presentation_obj.event_presentation_id_random;

			const load_event_presenter_obj_li = load_ae_obj_li__event_presenter({
				api_cfg: api_cfg,
				for_obj_type: 'event_presentation',
				for_obj_id: event_presentation_id,
				inc_file_li: inc_file_li,
				enabled: enabled,
				hidden: hidden,
				limit: limit,
				offset: offset,
				// order_by_li: {'priority': 'DESC', 'sort': 'DESC', 'updated_on': 'DESC', 'created_on': 'DESC'},
				// params: {},
				try_cache: try_cache,
				log_lvl: log_lvl
			}).then((event_presenter_obj_li) => {
				if (log_lvl) {
					console.log(`event_presenter_obj_li = `, event_presenter_obj_li);
				}
				return event_presenter_obj_li;
			});

			if (log_lvl) {
				console.log(`event_presenter_obj_li = `, load_event_presenter_obj_li);
			}
			// ae_promises.load__event_presentation_obj.event_presenter_li = load_event_presenter_obj_li;
		}
	}

	return ae_promises.load__event_presentation_obj_li;
}

// Updated 2025-05-22
export async function create_ae_obj__event_presentation({
	api_cfg,
	event_id,
	event_session_id,
	data_kv,
	params = {},
	try_cache = true,
	log_lvl = 0
}: {
	api_cfg: any;
	event_id: string;
	event_session_id: string;
	data_kv: key_val;
	params?: key_val;
	try_cache?: boolean;
	log_lvl?: number;
}) {
	if (log_lvl) {
		console.log(
			`*** create_ae_obj__event_presentation() *** event_id=${event_id} event_session_id=${event_session_id}`
		);
	}

	ae_promises.create__event_presentation = await api
		.create_ae_obj_crud({
			api_cfg: api_cfg,
			obj_type: 'event_presentation',
			fields: {
				event_id_random: event_id,
				event_session_id_random: event_session_id,
				...data_kv
			},
			key: api_cfg.api_crud_super_key,
			params: params,
			return_obj: true,
			log_lvl: log_lvl
		})
		.then(async function (event_presentation_obj_create_result) {
			if (event_presentation_obj_create_result) {
				if (try_cache) {
					// Process the results first
					const processed_obj_li = await process_ae_obj__event_presentation_props({
						obj_li: [event_presentation_obj_create_result],
						log_lvl: log_lvl
					});
					if (log_lvl) {
						console.log('Processed object list:', processed_obj_li);
					}
					// Save the updated results list to the database
					if (log_lvl) {
						console.log('Saving to DB...');
					}
					db_save_ae_obj_li__ae_obj({
						db_instance: db_events,
						table_name: 'presentation',
						obj_li: processed_obj_li,
						properties_to_save: properties_to_save,
						log_lvl: log_lvl
					});
					if (log_lvl) {
						console.log('DB save completed.');
					}

					// db_save_ae_obj_li__event_presentation(
					//     {
					//         obj_type: 'event_presentation',
					//         obj_li: [event_presentation_obj_create_result]
					//     });
				}
				return event_presentation_obj_create_result;
			} else {
				return null;
			}
		})
		.catch(function (error: any) {
			console.log('No results returned or failed.', error);
		})
		.finally(function () {});

	if (log_lvl) {
		console.log('ae_promises.create__event_presentation:', ae_promises.create__event_presentation);
	}
	return ae_promises.create__event_presentation;
}

// Updated 2025-05-22
export async function delete_ae_obj_id__event_presentation({
	api_cfg,
	event_presentation_id,
	method = 'delete', // 'delete', 'disable', 'hide'
	params = {},
	try_cache = true,
	log_lvl = 0
}: {
	api_cfg: any;
	event_presentation_id: string;
	method?: string;
	params?: key_val;
	try_cache?: boolean;
	log_lvl?: number;
}) {
	if (log_lvl) {
		console.log(
			`*** delete_ae_obj_id__event_presentation() *** event_presentation_id=${event_presentation_id}`
		);
	}

	ae_promises.delete__event_presentation_obj = await api
		.delete_ae_obj_id_crud({
			api_cfg: api_cfg,
			obj_type: 'event_presentation',
			obj_id: event_presentation_id,
			key: api_cfg.api_crud_super_key,
			params: params,
			method: method,
			log_lvl: log_lvl
		})
		.catch(function (error: any) {
			console.log('No results returned or failed.', error);
		})
		.finally(function () {
			if (try_cache) {
				if (log_lvl) {
					console.log(
						`Attempting to remove IDB entry for event_presentation_id=${event_presentation_id}`
					);
				}
				db_events.presentation.delete(event_presentation_id);
			}
		});

	if (log_lvl) {
		console.log(
			'ae_promises.delete__event_presentation_obj:',
			ae_promises.delete__event_presentation_obj
		);
	}

	return ae_promises.delete__event_presentation_obj;
}

// Updated 2025-05-22
export async function update_ae_obj__event_presentation({
	api_cfg,
	event_presentation_id,
	data_kv,
	params = {},
	try_cache = true,
	log_lvl = 0
}: {
	api_cfg: any;
	event_presentation_id: string;
	data_kv: key_val;
	params?: key_val;
	try_cache?: boolean;
	log_lvl?: number;
}) {
	if (log_lvl) {
		console.log(
			`*** update_ae_obj__event_presentation() *** event_presentation_id=${event_presentation_id}`,
			data_kv
		);
	}
	ae_promises.update__event_presentation_obj = await api
		.update_ae_obj_id_crud({
			api_cfg: api_cfg,
			obj_type: 'event_presentation',
			obj_id: event_presentation_id,
			fields: data_kv,
			key: api_cfg.api_crud_super_key,
			params: params,
			return_obj: true,
			log_lvl: log_lvl
		})
		.then(async function (event_presentation_obj_update_result) {
			if (event_presentation_obj_update_result) {
				if (try_cache) {
					// Process the results first
					const processed_obj_li = await process_ae_obj__event_presentation_props({
						obj_li: [event_presentation_obj_update_result],
						log_lvl: log_lvl
					});
					if (log_lvl) {
						console.log('Processed object list:', processed_obj_li);
					}
					// Save the updated results list to the database
					if (log_lvl) {
						console.log('Saving to DB...');
					}
					db_save_ae_obj_li__ae_obj({
						db_instance: db_events,
						table_name: 'presentation',
						obj_li: processed_obj_li,
						properties_to_save: properties_to_save,
						log_lvl: log_lvl
					});
					if (log_lvl) {
						console.log('DB save completed.');
					}

					// db_save_ae_obj_li__event_presentation({
					//     obj_type: 'event_presentation',
					//     obj_li: [event_presentation_obj_update_result],
					//     log_lvl: log_lvl
					// });
				}
				return event_presentation_obj_update_result;
			} else {
				return null;
			}
		})
		.catch(function (error: any) {
			console.log('No results returned or failed.', error);
		})
		.finally(function () {});

	if (log_lvl) {
		console.log(
			'ae_promises.update__event_presentation_obj:',
			ae_promises.update__event_presentation_obj
		);
	}
	return ae_promises.update__event_presentation_obj;
}

// Updated 2025-05-22
export const properties_to_save = [
	'id',
	'event_presentation_id',
	// 'event_presentation_id_random',

	'external_id',
	'code',

	'for_type',
	'for_id',
	// 'for_id_random',

	'type_code',

	'event_id',
	// 'event_id_random',
	'event_session_id',
	// 'event_session_id_random',
	'event_abstract_id',
	// 'event_abstract_id_random',

	'abstract_code',

	'name',
	'description',

	'start_datetime',
	'end_datetime',

	'passcode',

	'hide_event_launcher',

	'enable',
	'hide',
	'priority',
	'sort',
	'group',
	'notes',
	'created_on',
	'updated_on',

	// Generated fields for sorting locally only
	'tmp_sort_1',
	'tmp_sort_2',
	// 'tmp_sort_a',
	// 'tmp_sort_b',

	// From SQL view
	'event_session_code',
	'event_session_name'

	// Add more fields here if your DB save logic uses them
];

/**
 * NON-EXPORTED LOCAL HELPER
 * Processes a list of Aether objects by applying common and specific transformations.
 */
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 (log_lvl > 0) {
		console.log(
			`*** _process_generic_props: Processing ${obj_li.length} objects of type "${obj_type}" ***`
		);
	}

	if (!obj_li || obj_li.length === 0) {
		if (log_lvl > 0) console.log('No objects to process.');
		return [];
	}

	const processed_obj_li: T[] = [];

	for (const original_obj of obj_li) {
		let processed_obj = { ...original_obj };

		// --- Common Transformations ---

		// 1. Standardize ID and other '_random' fields
		// The API often returns fields like 'person_id_random', which need to be aliased to 'person_id'.
		for (const key in processed_obj) {
			if (key.endsWith('_random')) {
				const newKey = key.slice(0, -7); // Remove '_random' suffix
				processed_obj[newKey] = processed_obj[key];
			}
		}
		// Ensure 'id' is set from '[obj_type]_id_random'
		const randomIdKey = `${obj_type}_id_random`;
		if (processed_obj[randomIdKey]) {
			(processed_obj as any).id = processed_obj[randomIdKey];
		}

		// 2. Create common computed properties for client-side sorting.
		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}`;

		// --- Specific Transformations ---
		if (specific_processor) {
			processed_obj = await Promise.resolve(specific_processor(processed_obj));
		}

		processed_obj_li.push(processed_obj as T);
	}

	return processed_obj_li;
}

// Updated 2025-05-22
export async function process_ae_obj__event_presentation_props({
	obj_li,
	log_lvl = 0
}: {
	obj_li: any[];
	log_lvl?: number;
}) {
	return _process_generic_props({
		obj_li,
		obj_type: 'event_presentation',
		log_lvl,
		specific_processor: (obj) => {
			// Event presentation-specific computed sort fields, overriding generic ones if needed
			obj.tmp_sort_1 = `${obj.group ?? ''}_${obj.priority ? '1' : '0'}_${
				obj.sort?.toString().padStart(3, '0') ?? ''
			}_${obj.updated_on ?? obj.created_on}`;
			obj.tmp_sort_2 = `${obj.group ?? ''}_${obj.priority ? '1' : '0'}_${
				obj.sort?.toString().padStart(3, '0') ?? ''
			}_${obj.updated_on}_${obj.created_on}`;

			return obj;
		}
	});
}
