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path: root/oop2eindopdr/Pokedex.cpp
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#include <fstream>
#include <iostream>
#include <algorithm>
#include <cctype>

#include "CacheManager.h"
#include "DownloadManager.h"
#include "Pokedex.h"
#include "PokemonTCGAPIClient.h"
#include "PokemonCard.h"

Pokedex::Pokedex() {
	this->cache = new CacheManager("./cache");
	this->api = new PokemonTCGAPIClient();
	this->download_manager = new DownloadManager();

	if (this->cache->cache_exists("index"))
		this->load_collection_local();
	else
		this->load_collection_remote();
}

Pokedex::~Pokedex() {
	delete this->cache;
}

void Pokedex::load_collection_remote() {
	std::cout << "no local cards found, building cache..." << std::endl;

	std::vector<PokemonCard*> remote_cards = api->get_set_cards("swshp");
	for (PokemonCard* card : remote_cards) {
		card->set_pokedex(this);
		this->cards.push_back(card);
	}
	this->verify_collection();
	cache->update_cache();
}

void Pokedex::load_collection_local() {
	std::cout << "local cards found, using cache..." << std::endl;

	std::fstream& cache_collection = *cache->cache_get("index");
	std::string id;
	while (std::getline(cache_collection, id)) {
		this->cards.push_back(new PokemonCard::from_cache(this, id));
	}
	cache_collection.close();
}

void Pokedex::verify_collection() {
	std::fstream& index = *cache->cache_get("index");

	for (PokemonCard* card : this->cards) {
		card->verify_files();
		index << card->id << "\n";
	}

	index.close();
	cache->update_cache();
}

std::string Pokedex::lower(std::string input) {
	std::string out(input.size(), ' ');
	std::transform(input.begin(), input.end(), out.begin(), tolower);
	return out;
}

std::vector<PokemonCard*> Pokedex::search_cards_local(std::string query) {
	std::vector<PokemonCard*> out(this->cards.size());

	// https://cplusplus.com/reference/algorithm/copy_if/
	auto it = std::copy_if(this->cards.begin(), this->cards.end(), out.begin(), [&](const PokemonCard* card) {
		return lower(card->id).find(lower(query)) != std::string::npos ||
		       lower(card->name).find(lower(query)) != std::string::npos;
	});
	out.resize(std::distance(out.begin(), it));

	return out;
}

std::vector<PokemonCard*> Pokedex::search_cards_remote(std::string query) {
	std::cout << "couldn't find card in cache, trying api..." << std::endl;
	std::vector<PokemonCard*> api_cards = api->get_cards_by_query((std::string("name:\"") + query + "\" OR id:*" + query + "*").c_str());
	std::vector<PokemonCard*> out;

	for (PokemonCard* api_card : api_cards) {
		if (std::any_of(this->cards.begin(), this->cards.end(), [api_card] (PokemonCard* card) {
			return card->id == api_card->id; // remove any duplicate local/api cards
		})) {
			delete api_card;
			continue;
		}
		this->cards.push_back(api_card);
		api_card->set_pokedex(this);
		out.push_back(api_card);
	}
	this->verify_collection();

	return out;
}

std::vector<PokemonCard*> Pokedex::search_cards(std::string query) {
	std::vector<PokemonCard*> out = search_cards_local(query);
	if (out.size() == 0) out = search_cards_remote(query);

	return out;
}

PokemonCard* Pokedex::get_card_by_id(std::string id) {
	for (PokemonCard* card : this->cards)
		if (card->id == id) return card;
	return nullptr;
}