From 56e03bf6f4afbfec0dedfd6e88be9b094dd108a6 Mon Sep 17 00:00:00 2001
From: developomp <developomp@gmail.com>
Date: Thu, 3 Feb 2022 09:51:03 +0900
Subject: [PATCH] added basic WBM remove feature

---
 src-tauri/src/commands/remove/mod.rs   | 54 ++++++++++++++++-
 src-tauri/src/commands/remove/types.rs |  6 +-
 src/pages/Operation/Remove.svelte      | 80 +++++++++++++++++++++++++-
 src/pages/Operation/types.ts           |  3 +-
 4 files changed, 138 insertions(+), 5 deletions(-)

diff --git a/src-tauri/src/commands/remove/mod.rs b/src-tauri/src/commands/remove/mod.rs
index 9814853..d959bef 100644
--- a/src-tauri/src/commands/remove/mod.rs
+++ b/src-tauri/src/commands/remove/mod.rs
@@ -2,7 +2,59 @@ mod types;
 
 use types::RemoveErr;
 
+use crate::util;
+
 #[tauri::command]
-pub async fn remove(_game_path: String) -> Result<(), RemoveErr> {
+pub async fn remove(game_path: String) -> Result<(), RemoveErr> {
+    println!("Remove command called");
+
+    //
+    // Test if OS is compatible
+    //
+
+    match std::env::consts::OS {
+        "linux" | "macos" | "windows" => {}
+
+        _ => {
+            println!("Unsupported OS!");
+            return Err(RemoveErr::UnsupportedOS);
+        }
+    }
+
+    //
+    // Resolve game path
+    //
+
+    let game_path = if game_path.is_empty() {
+        let default_game_path = match util::get_default_game_path() {
+            Some(path) => path,
+
+            // failed to find game install location.
+            // Prompt user to manually choose the game location.
+            None => return Err(RemoveErr::FailedToGetGamePath),
+        };
+
+        default_game_path
+    } else {
+        game_path
+    };
+    let game_path = game_path.as_str();
+
+    //
+    // Remove files
+    //
+
+    match util::uninstall(&game_path) {
+        Ok(_) => {}
+
+        Err(_) => {
+            return Err(RemoveErr::FailedToRemoveFiles);
+        }
+    }
+
+    //
+    // todo: Reset steam launch option
+    //
+
     return Ok(());
 }
diff --git a/src-tauri/src/commands/remove/types.rs b/src-tauri/src/commands/remove/types.rs
index ab7acb6..76f7849 100644
--- a/src-tauri/src/commands/remove/types.rs
+++ b/src-tauri/src/commands/remove/types.rs
@@ -1,7 +1,11 @@
 /// must be synced with `src/pages/Remove/types.ts`
 
 #[derive(Clone, Copy)]
-pub enum RemoveErr {}
+pub enum RemoveErr {
+    UnsupportedOS,
+    FailedToGetGamePath,
+    FailedToRemoveFiles,
+}
 
 impl serde::Serialize for RemoveErr {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
diff --git a/src/pages/Operation/Remove.svelte b/src/pages/Operation/Remove.svelte
index 9e373cb..067df58 100644
--- a/src/pages/Operation/Remove.svelte
+++ b/src/pages/Operation/Remove.svelte
@@ -1,5 +1,81 @@
 <script lang="ts">
+	/**
+	 * This component is shown during the removal of the War Brokers Mods.
+	 * It asks for user input when needed and shows error when something's gone wrong.
+	 */
+
+	import store from "./store"
+	import { RemoveErr } from "./types"
+	import { selectGamePathAndRun } from "./logic"
+
+	let lastRemoveErr: RemoveErr = undefined
+	let wasRemoveSuccessful: boolean = false
+
+	store.lastRemoveErr.subscribe((value) => {
+		lastRemoveErr = value
+	})
+
+	store.wasRemoveSuccessful.subscribe((value) => {
+		wasRemoveSuccessful = value
+	})
+
+	// todo: Reset steam launch option.
 </script>
 
-<!-- Handle lastRemoveErr change -->
-<!-- On remove complete -->
+<div class="remove">
+	{#if wasRemoveSuccessful}
+		WBM Removed!
+		<br />
+		You may now close the installer.
+	{:else if false}
+		Reset steam launch options.
+
+		<br />
+		<br />
+
+		<img alt="where to find property settings" src="/img/properties.png" />
+
+		<br />
+
+		<img alt="where to find launch option" src="/img/launch_option.png" />
+
+		<br />
+
+		<button
+			on:click|once={() => {
+				store.lastRemoveErr.set(undefined)
+				store.wasRemoveSuccessful.set(true)
+			}}
+		>
+			Continue!
+		</button>
+	{:else if lastRemoveErr == RemoveErr.FailedToGetGamePath}
+		Where is the game folder?
+
+		<br />
+		<br />
+
+		<button
+			on:click|once={() => {
+				selectGamePathAndRun("remove")
+				lastRemoveErr = undefined
+			}}
+		>
+			Select game path
+		</button>
+	{/if}
+</div>
+
+<style lang="scss">
+	@import "./styles/button.scss";
+
+	.remove {
+		/* make install section scrollable */
+		@apply w-full h-40 text-center overflow-y-auto overflow-x-hidden;
+
+		img {
+			/* center image */
+			@apply block ml-auto mr-auto;
+		}
+	}
+</style>
diff --git a/src/pages/Operation/types.ts b/src/pages/Operation/types.ts
index 719ab5d..cc093eb 100644
--- a/src/pages/Operation/types.ts
+++ b/src/pages/Operation/types.ts
@@ -18,8 +18,9 @@ export enum InstallErr {
  * Must be synced with `src-tauri/src/commands/remove/types.rs`
  */
 export enum RemoveErr {
+	UnsupportedOS,
 	FailedToGetGamePath,
-	GamePathNotValid,
+	FailedToRemoveFiles,
 }
 
 export enum OperationType {