#!/usr/bin/env bash
set -euo pipefail

if [ -z "${BASE_URL:-}" ]; then
  if curl --silent --fail http://127.0.0.1:8085/api/health >/dev/null 2>&1; then
    BASE_URL="http://127.0.0.1:8085"
  elif curl --silent --fail http://host.containers.internal:8085/api/health >/dev/null 2>&1; then
    BASE_URL="http://host.containers.internal:8085"
  else
    echo "ERROR: could not determine BASE_URL. Tried 127.0.0.1 and host.containers.internal." >&2
    exit 1
  fi
fi

TMP_DIR="$(mktemp -d)"
trap 'rm -rf "$TMP_DIR"' EXIT

echo "== Feature test 1: root page renders 4 panels and action controls =="
curl --fail --silent --show-error \
  "${BASE_URL}/" \
  -o "${TMP_DIR}/index.html"

python3 - "${TMP_DIR}/index.html" <<'PY'
import sys
from pathlib import Path

html = Path(sys.argv[1]).read_text(encoding="utf-8")
required = [
    "1. TV Shows",
    "2. Episodes",
    "3. Selected Episodes",
    "4. Selected Files",
    "Debug Output",
    "Filename Preview",
    "Rename Execute (confirm=true)",
]
for needle in required:
    assert needle in html, f"missing UI text: {needle}"
print("UI panel/control validation passed")
PY

echo
echo "== Feature test 2: static assets are served =="
curl --fail --silent --show-error \
  "${BASE_URL}/static/styles.css" \
  -o "${TMP_DIR}/styles.css"
curl --fail --silent --show-error \
  "${BASE_URL}/static/app.js" \
  -o "${TMP_DIR}/app.js"

python3 - "${TMP_DIR}/styles.css" "${TMP_DIR}/app.js" <<'PY'
import sys
from pathlib import Path

css = Path(sys.argv[1]).read_text(encoding="utf-8")
js = Path(sys.argv[2]).read_text(encoding="utf-8")
assert ".grid" in css, "styles.css missing expected grid styles"
assert "session_id" in js, "app.js missing session_id usage"
assert "/api/tvdb/search" in js, "app.js missing search endpoint usage"
assert "/api/files/discover" in js, "app.js missing discovery endpoint usage"
assert "/api/files/folders" in js, "app.js missing folders endpoint usage"
print("static assets validation passed")
PY

echo
echo "== Feature test 3: UI references existing backend workflow endpoints =="
python3 - "${TMP_DIR}/app.js" <<'PY'
import sys
from pathlib import Path

js = Path(sys.argv[1]).read_text(encoding="utf-8")
required_endpoints = [
    "/api/tvdb/search",
    "/api/tvdb/series/",
    "/api/session/selected-episodes",
    "/api/session/selected-files",
    "/api/files/roots",
    "/api/files/folders",
    "/api/files/discover",
    "/api/session/filename-preview",
    "/api/session/rename-execute",
]
for endpoint in required_endpoints:
    assert endpoint in js, f"missing endpoint usage in UI: {endpoint}"
print("endpoint wiring validation passed")
PY

echo
echo "All UI feature tests passed."