import os
import shutil

def simulate_perceive(project_name, projects_dir):
    prd_path = os.path.join(projects_dir, project_name, "PRD.org")
    protocol_path = os.path.join(projects_dir, project_name, "PROTOCOL.org")
    
    if not os.path.exists(prd_path):
        return None
        
    with open(prd_path, 'r') as f:
        content = f.read()
        
    if "#+STATUS: FROZEN" in content and not os.path.exists(protocol_path):
        return {"project": project_name, "prd_path": prd_path, "content": content}
    return None

if __name__ == "__main__":
    test_dir = "/tmp/architect_test_projects"
    if os.path.exists(test_dir):
        shutil.rmtree(test_dir)
    os.makedirs(os.path.join(test_dir, "test-project"))
    
    prd_file = os.path.join(test_dir, "test-project", "PRD.org")
    
    print("--- Test 1: Draft PRD ---")
    with open(prd_file, "w") as f:
        f.write("#+TITLE: Test\n#+STATUS: DRAFT\n")
    res = simulate_perceive("test-project", test_dir)
    print(f"Result: {res}")
    status1 = "PASS" if res is None else "FAIL"
    
    print("\n--- Test 2: Frozen PRD ---")
    with open(prd_file, "w") as f:
        f.write("#+TITLE: Test\n#+STATUS: FROZEN\n")
    res = simulate_perceive("test-project", test_dir)
    print(f"Result: {res['project'] if res else None}")
    status2 = "PASS" if res and res['project'] == "test-project" else "FAIL"
    
    print("\n--- Test 3: Protocol already exists ---")
    with open(os.path.join(test_dir, "test-project", "PROTOCOL.org"), "w") as f:
        f.write("exists")
    res = simulate_perceive("test-project", test_dir)
    print(f"Result: {res}")
    status3 = "PASS" if res is None else "FAIL"
    
    print(f"\nFinal Status: {'PASS' if all(s == 'PASS' for s in [status1, status2, status3]) else 'FAIL'}")