From 13dcc2c8fc1d11e3b94432fffc4c4f186bd94d29 Mon Sep 17 00:00:00 2001
From: Maks Jopek <maksymilian.jopek@prym-soft.pl>
Date: Sat, 24 Apr 2021 00:34:07 +0200
Subject: Playing almost working

---
 frontend/ts/timer.ts | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 frontend/ts/timer.ts

(limited to 'frontend/ts/timer.ts')

diff --git a/frontend/ts/timer.ts b/frontend/ts/timer.ts
new file mode 100644
index 0000000..f8dab25
--- /dev/null
+++ b/frontend/ts/timer.ts
@@ -0,0 +1,30 @@
+export default class Timer {
+    divTimer!: HTMLElement;
+
+    interval!: any;
+    async start(playerIndex: number, finishTime: number): Promise<void> {
+        return new Promise(resolve => {
+            let divTimer = document.getElementById(`${playerIndex}-player-time`);
+            if (divTimer === null)
+                throw new Error("divTimer doesn't Exist");
+            else
+                this.divTimer = divTimer;
+
+            this.interval = setInterval(() => {
+                this.updateDisplay(finishTime - Date.now(), resolve);
+            }, 1000);
+        })
+    }
+
+    updateDisplay(time: number, resolve: Function): void {
+        let secondsElapsed = Math.floor(time / 1000);
+        this.divTimer.innerHTML = secondsElapsed.toString();
+        if (secondsElapsed === 0) {
+            resolve();
+            clearInterval(this.interval);
+        }
+    }
+    stop(): void {
+        clearInterval(this.interval);
+    }
+}
\ No newline at end of file
-- 
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