<?php

//////////////////////////////////////////////////////////////////////////////80
// Project Class
//////////////////////////////////////////////////////////////////////////////80
// Copyright (c) Atheos & Liam Siira (Atheos.io), distributed as-is and without
// warranty under the MIT License. See [root]/LICENSE.md for more.
// This information must remain intact.
//////////////////////////////////////////////////////////////////////////////80
// Authors: Codiad Team, @Fluidbyte, Atheos Team, @hlsiira
//////////////////////////////////////////////////////////////////////////////80

class Project {

	//////////////////////////////////////////////////////////////////////////80
	// PROPERTIES
	//////////////////////////////////////////////////////////////////////////80
	private $activeUser = null;
	private $userData = false;
	private $db = null;

	//////////////////////////////////////////////////////////////////////////80
	// METHODS
	//////////////////////////////////////////////////////////////////////////80

	// ----------------------------------||---------------------------------- //

	//////////////////////////////////////////////////////////////////////////80
	// Construct
	//////////////////////////////////////////////////////////////////////////80
	public function __construct() {
		$this->db = Common::getParchment("projects");

		$this->activeUser = SESSION("user");
		$this->userData = Common::load("users")[$this->activeUser];

		if (file_exists(DATA . "/projects.json")) {
			$projects = Common::load("projects");

			// Check if array is Associative or Sequential. Sequential is
			// the old file format, so it needs to be pivoted.
			if (array_keys($projects) === range(0, count($projects) - 1)) {
				$projects = $this->pivotProjects($projects);
			}

			foreach ($projects as $projectPath => $projectName) {
				$this->db->update($projectName, $projectPath, true);
			}
			unlink(DATA . "/projects.json");
		}

	}

	//////////////////////////////////////////////////////////////////////////80
	// Create
	//////////////////////////////////////////////////////////////////////////80
	public function create($projectName, $projectPath, $gitRepo, $gitBranch) {

		$projectPath = Common::cleanPath($projectPath);
		$projectName = htmlspecialchars($projectName);

		$results = $this->db->select($projectName);
		if (!empty($results)) {
			Common::send("error", i18n("project_exists_name"));
		}

		if (!Common::isAbsPath($projectPath)) {
			$projectPath = $this->sanitizePath($projectPath);
			mkdir(WORKSPACE . '/' . $projectPath);
		} else {
			if (!file_exists($projectPath)) {
				if (!mkdir($projectPath . '/', 0755, true)) {
					Common::send("error", i18n("project_unableAbsolute"));
				}
			} else {
				if (!is_writable($projectPath) || !is_readable($projectPath)) {
					Common::send("error", i18n("project_unablePermissions"));
				}
			}
		}

		$this->db->insert($projectName, $projectPath);

		// Pull from Git Repo?
		if ($gitRepo && filter_var($gitRepo, FILTER_VALIDATE_URL) !== false) {
			$gitBranch = $this->sanitizeGitBranch($gitBranch);
			$cmd = Common::isAbsPath($projectPath) ? "cd " . escapeshellarg($projectPath) : "cd " . escapeshellarg(WORKSPACE . '/' . $projectPath);
			$cmd .= " && git init && git remote add origin " . escapeshellarg($gitRepo) . " && git pull origin " . escapeshellarg($gitBranch);
			Common::executeCommand($cmd);
		}

		// Log Action
		Common::log("@" . date("Y-m-d H:i:s") . ":\t{" . $this->activeUser . "} created project {$projectName}", "projects");
		Common::send("success", array("name" => $projectName, "path" => $projectPath));

	}

	//////////////////////////////////////////////////////////////////////////80
	// Delete Project
	//////////////////////////////////////////////////////////////////////////80
	public function delete($projectName, $scope) {
		$this->db->delete($projectName);
		
		if($scope === "hard") {
			Common::send("success", "Server file deletion not yet implemented.");
		}

		// Log Action
		Common::log("@" . date("Y-m-d H:i:s") . ":\t{" . $this->activeUser . "} deleted project {$projectName}", "projects");
		Common::send("success", "Project Deleted.");
	}

	public function list() {
		$projects = $this->db->select("*");
		$userACL = $this->userData["userACL"];
		asort($projects);

		if ($userACL !== "full") {
			foreach ($projects as $projectName => $projectPath) {
				if (!in_array($projectPath, $userACL)) unset($projects[$projectName]);
			}
		}

		return $projects;
	}

	//////////////////////////////////////////////////////////////////////////80
	// Load Active Project, or Default
	//////////////////////////////////////////////////////////////////////////80
	public function load($activeName, $activePath) {
		if ($activeName && $activePath) {
			// Load currently active project in session, pulled from cache data in user class
			$projectName = $activeName;
			$projectPath = $activePath;
		} else {
			// Load default/first project

			$projects = $this->db->select("*");

			if ($this->userData["userACL"] !== "full") {
				$projectPath = reset($this->userData["userACL"]);
			} else {
				$projectPath = reset($projects);
			}
			$projectName = array_search($projectPath, $projects);

			// Set Session Project
			SESSION("projectPath", $projectPath);
			SESSION("projectName", $projectName);

		}

		if (is_null($projectName) && $projectPath === BASE_PATH) {
			$projectName = "Atheos IDE";
		}


		$reply = array(
			"name" => $projectName,
			"path" => $projectPath,
			"text" => $projectName . " Loaded.",
			// While I don't approve of user information being passed through the
			// project class, it seems significantly more effective to do so as
			// opposed to creating an entire process to pass lastLogin data to
			// the client when I can accomplish it by adding this line here.
			//			- Liam Siira
			"lastLogin" => $this->userData["lastLogin"]
		);

		Common::send("success", $reply);
	}

	//////////////////////////////////////////////////////////////////////////80
	// Open Project
	//////////////////////////////////////////////////////////////////////////80
	public function open($projectName, $projectPath) {
		if (($projectName !== "Atheos IDE" && $projectPath !== BASE_PATH)) {
			$projectPath = $this->db->select($projectName);
		}

		if ($projectName && $projectPath) {

			SESSION("projectName", $projectName);
			SESSION("projectPath", $projectPath);

			Common::send("success", array(
				"name" => $projectName,
				"path" => $projectPath,
				"text" => $projectName . " Loaded."
			));
		} else {
			Common::send("error", i18n("project_missing"));
		}
	}

	//////////////////////////////////////////////////////////////////////////80
	// Pivot the Projects from the old file format to the new file format
	// ALERT: Pivot functions will be removed on 01/01/2022
	//////////////////////////////////////////////////////////////////////////80
	private function pivotProjects($projects) {
		$revisedArray = array();
		foreach ($projects as $project => $data) {
			if (isset($data["path"])) {
				$revisedArray[$data["path"]] = $data["name"];
			}
		}
		return $revisedArray;
	}

	//////////////////////////////////////////////////////////////////////////80
	// Rename
	//////////////////////////////////////////////////////////////////////////80
	public function rename($oldName, $newName, $projectPath) {
		$newName = htmlspecialchars($newName);

		if (!empty($this->db->select($newName))) {
			Common::send("error", i18n("project_exists_name"));
		}

		$projectPath = $this->db->select($oldName);

		$this->db->insert($newName, $projectPath);
		$this->db->delete($oldName);

		// Log Action
		Common::log("@" . date("Y-m-d H:i:s") . ":\t{" . $this->activeUser . "} renamed project {$oldName} to {$newName}", "projects");
		Common::send("success");
	}

	//////////////////////////////////////////////////////////////////////////80
	// Sanitize Path
	//////////////////////////////////////////////////////////////////////////80
	public function sanitizePath($projectPath) {
		$projectPath = str_replace(" ", "_", $projectPath);
		return preg_replace('/[^\w-]/', '', $projectPath);
	}

	//////////////////////////////////////////////////////////////////////////80
	// Sanitize gitBranch
	//////////////////////////////////////////////////////////////////////////80
	public function sanitizeGitBranch($gitBranch) {
		return str_replace(array(
			"..",
			chr(40),
			chr(177),
			"~",
			"^",
			":",
			"?",
			"*",
			"[",
			"@{",
			"\\"
		), array(""), $gitBranch);
	}
}