arguments added to app.py

Author: Karthikeyannhs

src/rules_validation_api/README.md

@@ -0,0 +1,26 @@
+# 🧪 Campaign-config Validation
+
+This Python script is designed to validate a campaign configuration JSON file.
+
+## 🛠 Requirements
+
+- Python 3.13
+- `rules_validation_api` must be installed and accessible
+- Campaign configuration JSON file to verify
+
+## Steps to verify
+
+- Get to the `rules_validation_api` folder
+- Run `python app.py --config_path <path_to_config>`
+
+## Results
+
+- `On success`:
+
+  ```text
+  "Valid config" is printed
+
+- `On Failure`:
+
+  ```text
+  "Errors" is printed

src/rules_validation_api/app.py

@@ -1,15 +1,28 @@
+import argparse
 import json
 import sys
 from pathlib import Path
 
 from rules_validation_api.validators.rules_validator import RulesValidation
 
+GREEN = "\033[92m"
+RESET = "\033[0m"
+YELLOW = "\033[93m"
+RED = "\033[91m"
+
 
 def main() -> None:
-    with Path.open(Path("campaign_config.json")) as file:
-        json_data = json.load(file)  # this validates json
-        RulesValidation(**json_data)
-        sys.stdout.write("Valid Config\n")
+    parser = argparse.ArgumentParser(description="Validate campaign configuration.")
+    parser.add_argument("--config_path", required=True, help="Path to the campaign config JSON file")
+    args = parser.parse_args()
+
+    try:
+        with Path(args.config_path).open() as file:
+            json_data = json.load(file)
+            RulesValidation(**json_data)
+            sys.stdout.write(f"{GREEN}Valid Config{RESET}\n")
+    except ValueError as e:
+        sys.stderr.write(f"{YELLOW}Validation Error:{RESET} {RED}{e}{RESET}\n")
 
 
 if __name__ == "__main__":