<?php

require_once "../util/mysql_connect.php";
require_once "RiotRequest.php";

class Tracker {
	private MySQLConnection $conn;

	/**
	 * @var Account[]
	 */
	public array $accounts;

	/**
	 * @var Elo[][]
	 */
	public array $entries;

	public function __construct() {
		$this->conn = new MySQLConnection();
		$this->readAccounts();
		$this->readEntries();
	}

	private function readAccounts(): void {
		$accounts = [];

		$sql = $this->conn->query("SELECT * FROM `accounts`");
		while ($row = $sql->fetch_assoc()) {
			$account = new Account();
			$account->puuid = $row["puuid"];
			$account->gameName = $row["gameName"];
			$account->tagLine = $row["tagLine"];

			$accounts[$account->puuid] = $account;
		}

		$this->accounts = $accounts;
	}

	private function readEntries(): void {
		$sql = $this->conn->query("
			SELECT accounts.puuid AS puuid, date, tier, `rank`, points
			FROM accounts LEFT JOIN elo_entries ON id = accountId
			ORDER BY accounts.puuid, date
		");

		$result = [];

		while ($row = $sql->fetch_assoc()) {
			$puuid = $row["puuid"];
			$date = $row["date"];

			if (!isset($result[$puuid]))
				$result[$puuid] = [];

			if (!$date)
				continue;

			$elo = new Elo();
			$elo->tier = $row["tier"];
			$elo->rank = $row["rank"];
			$elo->points = $row["points"];

			$result[$puuid][$date] = $elo;
		}

		$this->entries = $result;
	}

	public function update(): void {

		foreach ($this->accounts as $puuid => $account) {
			$account->updateRiotID();
			$account->addNewEloEntry($this->entries[$puuid]);
		}

	}
}

class Account {
	public string $puuid;
	public string $gameName;
	public string $tagLine;

	/**
	 * @param Elo[] $eloEntries
	 */
	public function addNewEloEntry(array &$eloEntries): void {
		$summonerId = (new RiotRequest("lol/summoner/v4/summoners/by-puuid/$this->puuid"))->run()->id;
		$fetchedLeagues = (new RiotRequest("lol/league/v4/entries/by-summoner/$summonerId"))->run();

		$currentElo = end($eloEntries);

		foreach ($fetchedLeagues as $fetchedElo) {
			if ($fetchedElo->queueType === "RANKED_SOLO_5x5" && ($fetchedElo->wins + $fetchedElo->losses >= 5)) {
				if (!$currentElo ||
					$currentElo->tier !== $fetchedElo->tier ||
					$currentElo->rank !== $fetchedElo->rank ||
					$currentElo->points !== $fetchedElo->leaguePoints){

					$currentElo = new Elo();
					$currentElo->tier = $fetchedElo->tier;
					$currentElo->rank = $fetchedElo->rank;
					$currentElo->points = $fetchedElo->leaguePoints;

					$date = (new DateTime("now"))->format("Y-m-d H:i:s");
					$eloEntries[$date] = $currentElo;

					$conn = new MySQLConnection();

					$sqlAccountId = $conn->query("
						SELECT id 
						FROM `accounts` 
						WHERE puuid = '$this->puuid'
					")->fetch_assoc()["id"];

					$conn->prepare("
						INSERT INTO `elo_entries`
						(accountId, date, tier, `rank`, points)
						VALUES (?, ?, ?, ?, ?)
					")->execute([
						$sqlAccountId, $date, $currentElo->tier, $currentElo->rank, $currentElo->points
					]);
				}
			}
		}
	}
	public function updateRiotID(): void {
		$request = new RiotRequest("riot/account/v1/accounts/by-puuid/$this->puuid");
		$request->useRouting();
		$result = $request->run();
		if ($request->responseCode == 200) {
			$this->gameName = $result->gameName;
			$this->tagLine = $result->tagLine;

			$conn = new MySQLConnection();
			$conn->query("
				UPDATE `accounts`
				SET `gameName` = '$this->gameName', `tagLine` = '$this->tagLine'
				WHERE `puuid` = '$this->puuid'
			");

		}
	}
}

class Elo {
	public string $tier;
	public string $rank;
	public int $points;
	public function value() : int {
		$tiers = [
			"CHALLENGER" => 2800,
			"GRANDMASTER" => 2800,
			"MASTER" => 2800,
			"DIAMOND" => 2400,
			"EMERALD" => 2000,
			"PLATINUM" => 1600,
			"GOLD" => 1200,
			"SILVER" => 800,
			"BRONZE" => 400,
			"IRON" => 0,
		];

		$ranks = [
			"I" => 300,
			"II" => 200,
			"III" => 100,
			"IV" => 0,
		];

		$tier = $this->tier;

		if ($tier === "MASTER" || $tier === "GRANDMASTER" || $tier === "CHALLENGER")
			return $tiers[$tier] + $this->points;

		return $tiers[$tier] + $ranks[$this->rank] + $this->points;
	}
}