From 03f8f802938f7b726aa02c6a89130a933e1244a1 Mon Sep 17 00:00:00 2001
From: Dave Mc Nicoll <info@mcnd.ca>
Date: Tue, 17 Oct 2023 23:16:25 -0400
Subject: [PATCH] - Added symlink install

---
 src/Action/Install.php |  2 +-
 src/Action/Symlink.php | 54 +++++++++++++++++++++++++++++++++++++++---
 src/Asset.php          |  3 +--
 src/Config.php         | 10 ++++++++
 4 files changed, 63 insertions(+), 6 deletions(-)
 create mode 100644 src/Config.php

diff --git a/src/Action/Install.php b/src/Action/Install.php
index 837d8a9..4b10594 100644
--- a/src/Action/Install.php
+++ b/src/Action/Install.php
@@ -22,7 +22,7 @@ class Install {
         $output = [];
 
         foreach($this->actions as $action) {
-            $output[$action::class] = $action->run($fileFetcher);
+            $output[$action::class] = $action->run();
         }
 
         return $output;
diff --git a/src/Action/Symlink.php b/src/Action/Symlink.php
index 1be30ca..cc36a32 100644
--- a/src/Action/Symlink.php
+++ b/src/Action/Symlink.php
@@ -2,18 +2,66 @@
 
 namespace Picea\Asset\Action;
 
+use Picea\Asset\Config;
 use Picea\Asset\FileFetcher;
 
 class Symlink implements InstallActionInterface
 {
+    public array $packageLinks = [];
+
     public function __construct(
-        protected FileFetcher $fileFetcher
+        protected FileFetcher $fileFetcher,
+        protected Config $config,
     ) { }
 
-    public function run() : mixed
+    public function run(bool $dryRun = false) : mixed
     {
-        dump($this->fileFetcher->getFileList());
+        if (empty($this->config->destination)) {
+            throw new \InvalidArgumentException("A destination must be provided into Config object.");
+        }
+
+        foreach($this->fileFetcher->getFileList() as $path => $file) {
+            $this->mapPackagesLinks($path, $file);
+        }
+
+        if ( ! $dryRun ) {
+            foreach($this->packageLinks as $link => $source) {
+                $destination = $this->config->destination . DIRECTORY_SEPARATOR . $link;
+
+                # Clear previously linked path
+                if (is_link($destination)) {
+                    unlink($destination);
+                }
+
+                if ( ! @symlink($source, $destination) ) {
+                    throw new \RuntimeException(sprintf("Could not create symlink for %s -> %s", $source, $destination));
+                }
+            }
+        }
 
         return null;
     }
+
+    protected function mapPackagesLinks(string $path, array $splFiles) : void
+    {
+        $links = [];
+        $len = strlen($path);
+
+        foreach($splFiles as $file) {
+            $name = $file->getPathName();
+            $relativePath = substr($name, $len);
+
+            $link = $this->extractLink($relativePath);
+
+            $links[$link] ??= $path . $link;
+        }
+
+        $this->packageLinks = $this->packageLinks + $links;
+    }
+
+    protected function extractLink(string $name) {
+        $pos = strpos($name, DIRECTORY_SEPARATOR);
+
+        return $pos !== false ? substr($name, 0, $pos) : $name;
+    }
 }
\ No newline at end of file
diff --git a/src/Asset.php b/src/Asset.php
index 8b2efbe..4ac43f1 100644
--- a/src/Asset.php
+++ b/src/Asset.php
@@ -10,6 +10,7 @@ class Asset {
     use EventTrait;
 
     public function __construct(
+        public Config $config,
         public Action\Install $install,
         public FileFetcher $fileFetcher,
     ) { }
@@ -24,8 +25,6 @@ class Asset {
     public function launchInstall() : void
     {
         $result = $this->install->launch($this->fileFetcher);
-
-        #dump($result);
     }
 
 }
diff --git a/src/Config.php b/src/Config.php
new file mode 100644
index 0000000..03d0bbf
--- /dev/null
+++ b/src/Config.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Picea\Asset;
+
+class Config
+{
+    public function __construct(
+        public null|string $destination = null,
+    ) {}
+}
\ No newline at end of file