<?php

if (!isset($_SESSION["role"]))
	require_once "server_files/403.php";

$id = $_GET["id"];
$user = User::fromId($id);
$team = Team::fromId($user->getTeamId());

if ($_SESSION["role"] != Role::ADMIN) {
	if ($_SESSION["role"] == Role::ORGANIZER) {
		if (($user->getRole() == Role::PARTICIPANT || $user->getRole() == Role::PARTICIPANT) && ($team == null || $team->getTournamentId() == null || !Tournament::fromId($team->getTournamentId())->organize($_SESSION["user_id"])))
			require_once "server_files/403.php";
	}
	elseif ($user->getId() != $_SESSION["user_id"])
		require_once "server_files/403.php";
}

if ($user === null)
	require_once "server_files/404.php";

if ($team != null) {
	$documents = $user->getAllDocuments($team->getTournamentId());
	$payment = $user->getPayment();
	$tournament = Tournament::fromId($team->getTournamentId());
}

$has_error = false;
$error_message = null;

if (isset($_POST["kick"])) {
	if ($team == null) {
		$has_error = true;
		$error_message = "La personne à expulser n'est dans aucune équipe.";
	}
	else {
		quitTeam($id);
		$team = null;
	}
}

if (isset($_POST["attribute_team"])) {
	$attribute_team = new AttributeTeam($_POST);
	try {
		$attribute_team->makeVerifications();
		$attribute_team->attribute();
	} catch (AssertionError $e) {
		$has_error = true;
		$error_message = $e->getMessage();
	}
}

if (isset($_POST["validate_payment"])) {
	$validate_payment = new ValidatePayment($_POST);
	try {
		$validate_payment->makeVerifications();
		$validate_payment->validate();
	} catch (AssertionError $e) {
		$has_error = true;
		$error_message = $e->getMessage();
	}
}

if (isset($_POST["view_as"]) && $_SESSION["role"] == Role::ADMIN) {
    if (!isset($_SESSION["admin"]))
        $_SESSION["admin"] = $_SESSION["user_id"];
    $_SESSION["user_id"] = $user->getId();
    header("Location: /");
    exit();
}

if (isset($_POST["delete_account"]) && $team == null && $_SESSION["role"] == Role::ADMIN) {
    /** @var Document $document */
    foreach ($user->getAllDocuments($team->getTournamentId()) as $document)
        unlink($LOCAL_PATH . "/files/" . $document->getFileId());
    $DB->prepare("DELETE FROM `documents` WHERE `user` = ?;")->execute([$user->getId()]);
	$DB->prepare("DELETE FROM `organizers` WHERE `organizer` = ?;")->execute([$user->getId()]);
	$DB->prepare("DELETE FROM `users` WHERE `id` = ?;")->execute([$user->getId()]);
    header("Location: /");
    exit();
}

class AttributeTeam
{
    private $team_id;
	private $team;
	private $min_null_index;

	public function __construct($data)
	{
		$this->team_id = $data["team"];
		$this->team = Team::fromId($this->team_id);
	}

	public function makeVerifications()
	{
		global $user;

		ensure($user->getConfirmEmailToken() == null, "Ce participant n'a pas encore validé son adresse e-mail.");
		ensure($this->team_id != "no_team", "Vous n'avez pas choisi d'équipe.");
		ensure($this->team != null, "Cette équipe n'existe pas.");
		ensure($user->getTeamId() <= 0, "Cette personne est déjà dans une équipe !");
		ensure($this->team->getValidationStatus() == ValidationStatus::NOT_READY, "Cette équipe est déjà validée ou en cours de validation.");

		$role = $user->getRole();
		for ($i = 1; $i <= $role == Role::ENCADRANT ? 2 : 6; ++$i) {
			if (($role == Role::PARTICIPANT ? $this->team->getParticipants()[$i - 1] : $this->team->getEncadrants()[$i]) == NULL)
				break;
		}

		$this->min_null_index = $i;

		ensure($role == Role::PARTICIPANT && $this->min_null_index <= 6 || $role == Role::ENCADRANT && $this->min_null_index <= 2,
			"Il n'y a plus de place pour vous dans l'équipe.");
	}

	public function attribute()
	{
		global $user, $team;

		$user->setTeamId($this->team->getId());

		if ($user->getRole() == Role::ENCADRANT)
			$this->team->setEncadrant($this->min_null_index, $user->getId());
		else
			$this->team->setParticipant($this->min_null_index, $user->getId());

		Mailer::sendJoinTeamMail($user, $this->team, Tournament::fromId($this->team->getTournamentId()));

		$team = $this->team;

		global $documents, $payment, $tournament;

		$documents = $user->getAllDocuments($team->getTournamentId());
		$payment = $user->getPayment();
		$tournament = Tournament::fromId($team->getTournamentId());
	}
}

class ValidatePayment
{
	private $accept, $reject;
	private $message;
	private $payment;

	public function __construct($data)
	{
		global $user;

		foreach ($data as $key => $value)
			$this->$key = $value;

		$this->payment = $user->getPayment();
	}

	public function makeVerifications()
	{
		ensure($this->payment->getValidationStatus() == ValidationStatus::WAITING, "Le paiement n'était pas en attente.");
		ensure(isset($this->accept) ^ isset($this->reject), "La sélection de validation est invalide.");
	}

	public function validate()
	{
		global $user, $team, $tournament;

		if ($this->accept)
			$this->payment->setValidationStatus(ValidationStatus::VALIDATED);
		else
			$this->payment->setValidationStatus(ValidationStatus::NOT_READY);

		Mailer::sendValidatePayment($user, $team, $tournament, $this->payment, $this->message);
	}
}

require_once "server_files/views/informations.php";