#!/usr/bin/env bash
# sync-brand.sh — propagate the Tactical Media Broadcast Hub brand to a PeerTube instance.
# SOURCE OF TRUTH: this repo (brand assets + design tokens). Re-run after ANY brand change.
# Requires: PEERTUBE_URL (e.g. https://peertube.example.com), PEERTUBE_TOKEN (a user token with
# manage settings scope), both exported or in a .env next to this script.
set -euo pipefail
cd "$(dirname "$0")/../.."
REPO_ROOT="$(pwd)/.."   # infra/peertube -> repo root one level up from infra
BRAND="$REPO_ROOT/apps/web/public/brand"
[ -f "$(dirname "$0")/.env" ] && source "$(dirname "$0")/.env"
: "${PEERTUBE_URL:?export PEERTUBE_URL=https://peertube.example.com}"
: "${PEERTUBE_TOKEN:?export PEERTUBE_TOKEN=<user token with settings scope>}"

echo "→ syncing Tactical Media Broadcast Hub brand to $PEERTUBE_URL"

# 1. Instance name + short description
curl -sf -X PUT "$PEERTUBE_URL/api/v1/config/custom" \
  -H "Authorization: Bearer $PEERTUBE_TOKEN" -H "Content-Type: application/json" \
  -d '{"instance":{"name":"Tactical Media Broadcast Hub Live","shortDescription":"Our platform. Their feeds. No algorithm in between."}}'

# 2. Custom CSS derived from the brand tokens (warm red on black, tilted identity)
#    The CSS below is the PROPAGATED COPY — when tokens change in apps/web globals.css,
#    update docs/peertube-setup.md says: re-run scripts/update-brand-css.sh (or edit here + rerun sync).
css=$(cat <<'CSS'
:root { --ap-accent: #FF1610; --ap-bg: #000000; }
.custom-navbar, body { background: var(--ap-bg) !important; }
.custom-navbar .navbar-brand, .title-page { color: #fff !important; }
a, .btn-orange, .peertube-button-link { --mainColor: var(--ap-accent) !important; color: var(--ap-accent) !important; }
.btn-primary { background-color: var(--ap-accent) !important; border-color: var(--ap-accent) !important; }
CSS
)
python3 - "$css" <<'PY' | curl -sf -X PUT "$PEERTUBE_URL/api/v1/config/custom" -H "Authorization: Bearer $PEERTUBE_TOKEN" -H "Content-Type: application/json" -d @-
import json, sys, os
css = sys.argv[1]
body = {"customization": {"css": css}}
print(json.dumps(body))
PY

# 3. Logo — PeerTube takes instance banners/avatar via the config API image endpoints
#    (uploads the tilted circle-A mark; fallback to avatar upload if banner endpoint differs by version)
if [ -f "$BRAND/logo.svg" ]; then
  PNG=$(mktemp --suffix=.png)
  convert -background none "$BRAND/logo.svg" -resize 512x512 "$PNG" 2>/dev/null || \
    npx --yes sharp-cli -i "$BRAND/logo.svg" -o "$PNG" 2>/dev/null || true
  [ -s "$PNG" ] && curl -sf -X POST "$PEERTUBE_URL/api/v1/config/custom/logo" \
    -H "Authorization: Bearer $PEERTUBE_TOKEN" -F "image=@$PNG" || echo "  (logo upload skipped — check endpoint for your PeerTube version)"
  rm -f "$PNG"
fi

echo "✓ brand synced. Re-run this script after any brand change (assets or tokens) — it is idempotent."