Navigate before initializing page state

admin/routes.py

@@ -6,12 +6,13 @@ import secrets
 from datetime import UTC, datetime
 from pathlib import Path
 from typing import Annotated, Any
+from urllib.parse import urlsplit
 
 import speedtest  # type: ignore[import-untyped]
 from fastapi import APIRouter, Depends, HTTPException, status
 from fastapi.responses import FileResponse
 from fastapi.security import HTTPBasic, HTTPBasicCredentials
-from pydantic import BaseModel
+from pydantic import BaseModel, field_validator
 
 from admin.models import (
     delete_flow_config,
@@ -91,6 +92,17 @@ class FlowConfigIn(BaseModel):
     scenario: str = "dynamic"
     stop_on_first_click: bool = False
 
+    @field_validator("target_url")
+    @classmethod
+    def validate_target_url(cls, value: str) -> str:
+        value = value.strip()
+        if value and "://" not in value:
+            value = f"https://{value}"
+        parsed = urlsplit(value)
+        if parsed.scheme not in {"http", "https"} or not parsed.netloc:
+            raise ValueError("Target URL must be a complete HTTP(S) URL")
+        return value
+
 
 def _to_db_dict(body: FlowConfigIn) -> dict[str, Any]:
     return {
@@ -181,6 +193,11 @@ async def add_to_batch_queue(body: BatchTaskIn, _: Auth) -> dict[str, object]:
         raise HTTPException(
             status_code=404, detail=f"Flow config {body.config_id} not found"
         )
+    if not str(cfg.get("target_url") or "").strip():
+        raise HTTPException(
+            status_code=422,
+            detail="The selected flow config has no Target URL. Edit and save it first.",
+        )
 
     result = enqueue(cfg, body.workers, body.total_runs, body.stagger_ms, body.headless)
     log.info(

admin/static/dashboard.html

@@ -183,7 +183,7 @@
 
     <div class="fg">
       <label>Target URL</label>
-      <input id="cfg-target-url" type="url" placeholder="https://example.com" />
+      <input id="cfg-target-url" type="url" placeholder="https://example.com" required />
     </div>
 
     <div class="fg" style="display:flex;align-items:center;gap:10px;margin-bottom:14px">
@@ -1189,6 +1189,7 @@ document.getElementById('cfg-digipay-match').addEventListener('change', e => {
 document.getElementById('form-save').addEventListener('click', async () => {
   const body = collectForm();
   if (!body.name) { alert('Config name is required.'); return; }
+  if (!body.target_url) { alert('Target URL is required.'); return; }
 
   const cfgId = document.getElementById('cfg-id').value;
   const isEdit = !!cfgId;
@@ -1408,6 +1409,11 @@ function startBatchPoll() {
 document.getElementById('batch-start-btn').addEventListener('click', async () => {
   const configId = parseInt(document.getElementById('batch-config-select').value);
   if (!configId) { alert('Please select a flow config.'); return; }
+  const selectedConfig = _configs.find(c => c.id === configId);
+  if (!selectedConfig?.target_url) {
+    alert('The selected flow config has no Target URL. Edit and save it first.');
+    return;
+  }
   const workers  = parseInt(document.getElementById('batch-workers').value) || 3;
   const runs     = parseInt(document.getElementById('batch-runs').value) || 10;
   const stagger  = parseInt(document.getElementById('batch-stagger').value) || 0;
@@ -1420,8 +1426,11 @@ document.getElementById('batch-start-btn').addEventListener('click', async () =>
   });
 
   if (!res) return;
-  if (res.status === 404) { const d = await res.json(); alert(d.detail || 'Flow config not found.'); return; }
-  if (!res.ok) { alert('Failed to add task.'); return; }
+  if (!res.ok) {
+    const d = await res.json().catch(() => ({}));
+    alert(d.detail || 'Failed to add task.');
+    return;
+  }
 
   const data = await res.json();
   await pollBatchStatus();