"""S2 RED/GREEN: Test learn_detail.html status dropdown"""
import requests, sys

BASE = "http://127.0.0.1:5000"

errors = []
def check(label, ok, detail=""):
    if not ok:
        errors.append(f"FAIL: {label}: {detail}")
        print(f"  ❌ {label}: {detail}")
    else:
        print(f"  ✅ {label}")

print("=== S2: learn_detail.html status dropdown ===")

# Get a learn item
r = requests.get(f"{BASE}/api/learn-queue?status=pending_review")
items = (r.json().get("data", []) or [])
if not items:
    for s in ["pending_learn", "applied", "approved", "failed"]:
        r = requests.get(f"{BASE}/api/learn-queue?status={s}")
        items = (r.json().get("data", []) or [])
        if items:
            break

if not items:
    print("⚠️  No learn items found, skipping frontend test")
    sys.exit(0)

test_id = items[0]["id"]
print(f"Using learn item id={test_id}")

# Get the detail page
r = requests.get(f"{BASE}/learn/{test_id}")
html = r.text

check("HTTP 200", r.status_code == 200, f"Got {r.status_code}")

# TC4: Status dropdown exists
check("Status dropdown exists", 'status-select' in html,
      "No status-select element found")

# TC5: No JS escape errors
check("No triple backslash escape", '\\\\\\' not in html and '\\\\\\\\' not in html,
      "Found backslash escape issue")
check("No Jinja2 template literal quote bug", 'data-action=\\"' not in html,
      "Found escaped quotes in template literal")
check("No style backslash", "style=\\\\" not in html,
      "Found style backslash bug")

# TC6: Status options include valid values
for status_label in ["待审核", "待学习", "已吸收", "已通过", "失败", "已拒绝"]:
    check(f"Option: {status_label}", status_label in html,
          f"Missing status option: {status_label}")

# Verify the PUT endpoint still works with the actual ID from the page
print(f"\nVerifying backend compatibility...")
r2 = requests.put(
    f"{BASE}/api/learn/{test_id}/status",
    json={"status": "pending_review"},
    headers={"Content-Type": "application/json"}
)
check("Backend PUT still works", r2.status_code == 200,
      f"Got {r2.status_code}: {r2.text[:200]}")

print(f"\n=== Results: {len(errors)} failures ===")
if errors:
    print("\n".join(errors))
    sys.exit(1)
else:
    print("ALL TESTS PASSED ✅")
    sys.exit(0)