<?php
/**
 * Funkcje związane z aktywacją wtyczki, np. tworzenie tabel w bazie danych.
 *
 * @package WordPress Activity Stats
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Główna funkcja aktywacyjna. Tworzy wszystkie niezbędne tabele w bazie danych.
 *
 * @return void
 */
function mystat_activate() {
	global $wpdb;
	$charset_collate = $wpdb->get_charset_collate();

	$table_categories    = $wpdb->prefix . 'mystat_categories';
	$table_activities    = $wpdb->prefix . 'mystat_activities';
	$table_event_types   = $wpdb->prefix . 'mystat_event_types';
	$table_equipment     = $wpdb->prefix . 'mystat_equipment';
	$table_equipment_log = $wpdb->prefix . 'mystat_equipment_log';
	$table_goals         = $wpdb->prefix . 'mystat_goals';

	// SQL dla Kategorii
	$sql_cat = "CREATE TABLE $table_categories (
		id mediumint(9) NOT NULL AUTO_INCREMENT,
		name varchar(50) NOT NULL,
		icon varchar(50) NOT NULL,
		color varchar(20) NOT NULL,
		PRIMARY KEY  (id)
	) $charset_collate;";

	// SQL dla Typów Wydarzeń
	$sql_event_types = "CREATE TABLE $table_event_types (
		id mediumint(9) NOT NULL AUTO_INCREMENT,
		name varchar(100) NOT NULL,
		PRIMARY KEY  (id)
	) $charset_collate;";

	// SQL dla Sprzętu
	$sql_equipment = "CREATE TABLE $table_equipment (
		id mediumint(9) NOT NULL AUTO_INCREMENT,
		name varchar(100) NOT NULL,
		type varchar(50) DEFAULT 'Rower' NOT NULL,
		purchase_date date DEFAULT NULL,
		initial_cost decimal(10,2) DEFAULT NULL,
		status varchar(20) DEFAULT 'aktywny' NOT NULL, -- 'aktywny', 'sprzedany', 'wycofany'
		notes text,
		PRIMARY KEY  (id)
	) $charset_collate;";

	// SQL dla Dziennika Serwisowego Sprzętu
	$sql_equipment_log = "CREATE TABLE $table_equipment_log (
		id bigint(20) NOT NULL AUTO_INCREMENT,
		equipment_id mediumint(9) NOT NULL,
		log_date date NOT NULL,
		log_type varchar(50) NOT NULL, -- np. Naprawa, Zakup, Przegląd, Modyfikacja
		description text NOT NULL,
		cost decimal(10,2) DEFAULT NULL,
		mileage int(11) DEFAULT NULL, -- Przebieg sprzętu w momencie serwisu
		PRIMARY KEY  (id),
		KEY equipment_id (equipment_id)
	) $charset_collate;";

	// SQL dla Celów
	$sql_goals = "CREATE TABLE $table_goals (
		id mediumint(9) NOT NULL AUTO_INCREMENT,
		name varchar(255) NOT NULL,
		goal_type varchar(20) NOT NULL, -- 'distance', 'duration_sec', 'count'
		target_value decimal(10,2) NOT NULL,
		year smallint(4) NOT NULL,
		month tinyint(2) UNSIGNED DEFAULT NULL,
		category_id mediumint(9) DEFAULT NULL,
		PRIMARY KEY  (id),
		KEY category_id (category_id)
	) $charset_collate;";

	// SQL dla Aktywności
	$sql_act = "CREATE TABLE $table_activities (
		id bigint(20) NOT NULL AUTO_INCREMENT,
		category_id mediumint(9) NOT NULL,
		date date NOT NULL,
		title varchar(255) DEFAULT '' NOT NULL,
		distance decimal(10,2) DEFAULT 0.00,
		duration time DEFAULT '00:00:00',
		calories int(11) DEFAULT 0,
		comment text,
		strava_url varchar(255) DEFAULT NULL,
		avg_heart_rate smallint(5) UNSIGNED DEFAULT NULL,
		max_heart_rate smallint(5) UNSIGNED DEFAULT NULL,
		avg_speed decimal(5,2) DEFAULT NULL,
		max_speed decimal(5,2) DEFAULT NULL,
		avg_cadence smallint(5) UNSIGNED DEFAULT NULL,
		max_cadence smallint(5) UNSIGNED DEFAULT NULL,
		total_elevation_gain int(11) DEFAULT NULL,
		total_elevation_loss int(11) DEFAULT NULL,
		min_altitude int(11) DEFAULT NULL,
		max_altitude int(11) DEFAULT NULL,
		equipment_id mediumint(9) DEFAULT NULL,
		gpx_url varchar(255) DEFAULT NULL,
		event_type_id mediumint(9) DEFAULT NULL,
		PRIMARY KEY  (id)
	) $charset_collate;";

	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
	dbDelta( $sql_goals );
	dbDelta( $sql_equipment );
	dbDelta( $sql_equipment_log );
	dbDelta( $sql_cat );
	dbDelta( $sql_event_types );
	dbDelta( $sql_act );

	// Dodanie domyślnych kategorii, jeśli tabela jest pusta
	if ( 0 === $wpdb->get_var( "SELECT COUNT(*) FROM $table_categories" ) ) {
		$wpdb->insert( $table_categories, array( 'name' => 'Rower', 'icon' => 'dashicons-buddicons-groups', 'color' => '#3498db' ) );
		$wpdb->insert( $table_categories, array( 'name' => 'Bieganie', 'icon' => 'dashicons-businessman', 'color' => '#e74c3c' ) );
	}

	// Dodanie domyślnych typów wydarzeń, jeśli tabela jest pusta
	if ( 0 === $wpdb->get_var( "SELECT COUNT(*) FROM $table_event_types" ) ) {
		$default_event_types = array( 'Bez kategorii', 'Fitness', 'Geocaching', 'Podróżowanie', 'Rekreacyjny', 'Specjalne zdarzenie', 'Transport', 'Trening', 'Wyścig' );
		foreach ( $default_event_types as $type_name ) {
			$wpdb->insert( $table_event_types, array( 'name' => $type_name ) );
		}
		// Ustawienie domyślnego typu "Trening" dla istniejących aktywności, które go nie mają
		$training_id = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM $table_event_types WHERE name = %s", 'Trening' ) );
		if ( $training_id ) {
			$wpdb->query( $wpdb->prepare( "UPDATE $table_activities SET event_type_id = %d WHERE event_type_id IS NULL OR event_type_id = 0", $training_id ) );
		}
	}

	// Dodanie domyślnego sprzętu, jeśli tabela jest pusta
	if ( 0 === $wpdb->get_var( "SELECT COUNT(*) FROM $table_equipment" ) ) {
		$wpdb->insert( $table_equipment, array( 'name' => 'Giant Revolt', 'type' => 'Rower', 'status' => 'aktywny' ) );
	}
}