vegarringdal · June 24, 2019 10:35 · Jun 24, 2019
diff --git a/verify.ts b/verify.ts
@@ -0,0 +1,68 @@
+
+type result = {
+    success: boolean;
+    errors: string[];
+    pull_high: number;
+    pull_low: number;
+    term_mark: number;
+    term_length: number;
+};
+
+const verify = (high: number, low: number, term_mark: number, term_length: number): result => {
+
+    let returnValue: result = {
+        success: true,
+        errors: [],
+        pull_high: high,
+        pull_low: low,
+        term_mark: term_mark,
+        term_length: term_length
+    };
+
+    if (term_mark >= high) {
+        returnValue.success = false;
+        returnValue.errors.push('metermark higher or equal to pull high');
+    }
+
+    if (term_mark <= low) {
+        returnValue.success = false;
+        returnValue.errors.push('metermark lower or equal to pull low');
+    }
+
+    if (Math.abs(term_mark - high) < Math.abs(term_mark - low)) {
+
+        // is term high mark
+        if (term_mark + term_length > high) {
+            returnValue.success = false;
+            returnValue.errors.push('metermark is higher then high pulling');
+        }
+
+    } else {
+
+        // make sure its not equal first
+        if (Math.abs(term_mark - high) === Math.abs(term_mark - low)) {
+            if (term_mark - term_length < low || term_mark + term_length > high) {
+                returnValue.success = false;
+                returnValue.errors.push('metermark is higher/lower then pulling');
+            }
+        } else {
+
+            // is term low mark
+            if (term_mark - term_length < low) {
+                returnValue.success = false;
+                returnValue.errors.push('metermark is lower then low pulling');
+            }
+        }
+    }
+
+    return returnValue;
+}
+
+
+
+
+
+
+console.log(verify(20, 10, 15, 6))
+
+