#!/usr/bin/env bash
# Build admin image on the Finland host, then load+run it on Iran.
#
# Architecture:
#   - Finland (git.ghabilee.ir / act_runner): build + Telegram notify
#   - Iran: runtime only (/opt/ghabilee-admin)
set -euo pipefail

: "${FINLAND_SSH_KEY:?}"
: "${FINLAND_HOST:?}"
: "${FINLAND_USER:?}"
: "${IRAN_SSH_KEY:?}"
: "${IRAN_HOST:?}"
: "${IRAN_USER:?}"

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT"

IMAGE_TAG="${IMAGE_TAG:-ghabilee-admin:$(git rev-parse --short HEAD 2>/dev/null || date +%s)}"
FINLAND_APP="/opt/ghabilee-admin-ci"
IRAN_APP="/opt/ghabilee-admin"

install -m 700 -d "$HOME/.ssh"
printf '%s\n' "$FINLAND_SSH_KEY" > "$HOME/.ssh/finland_key"
printf '%s\n' "$IRAN_SSH_KEY" > "$HOME/.ssh/iran_key"
chmod 600 "$HOME/.ssh/finland_key" "$HOME/.ssh/iran_key"
trap 'rm -f "$HOME/.ssh/finland_key" "$HOME/.ssh/iran_key"' EXIT

FSSH=(ssh -i "$HOME/.ssh/finland_key" -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new)
ISSH=(ssh -i "$HOME/.ssh/iran_key" -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new)
FRSYNC=(-e "ssh -i $HOME/.ssh/finland_key -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new")

# --- build env from Iran (runtime .env holds NEXT_PUBLIC_* bake inputs) ---
"${ISSH[@]}" "${IRAN_USER}@${IRAN_HOST}" "test -s ${IRAN_APP}/.env"
scp -i "$HOME/.ssh/iran_key" -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new \
  "${IRAN_USER}@${IRAN_HOST}:${IRAN_APP}/.env" .env.production
test -s .env.production

# --- sync sources + env to Finland build dir ---
"${FSSH[@]}" "${FINLAND_USER}@${FINLAND_HOST}" "install -d -m 0750 '${FINLAND_APP}/src'"
rsync -az --delete "${FRSYNC[@]}" \
  --exclude '.git' \
  --exclude 'node_modules' \
  --exclude '.next' \
  --exclude '.env' \
  --exclude '.env.*' \
  --exclude 'test-results' \
  --exclude 'playwright-report' \
  ./ "${FINLAND_USER}@${FINLAND_HOST}:${FINLAND_APP}/src/"

scp -i "$HOME/.ssh/finland_key" -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new \
  .env.production "${FINLAND_USER}@${FINLAND_HOST}:${FINLAND_APP}/.env"
rm -f .env.production

# --- build on Finland (enough RAM; Telegram/git live here too) ---
"${FSSH[@]}" "${FINLAND_USER}@${FINLAND_HOST}" \
  "IMAGE_TAG='${IMAGE_TAG}' APP_DIR='${FINLAND_APP}' SRC_DIR='${FINLAND_APP}/src' bash -s" <<'REMOTE'
set -euo pipefail
cd "$APP_DIR"
# noglob: backend-style cron values must never expand if present in .env
set -f
# shellcheck disable=SC1091
set -a
# shellcheck disable=SC1090
source "$APP_DIR/.env"
set +a
set +f

env_or_empty() { printf '%s' "${!1-}"; }

sanitize_api_proxy_target() {
  local target
  target="$(env_or_empty API_PROXY_TARGET)"
  case "$target" in
    *127.0.0.1*|*localhost*|*'::1'*) printf '' ;;
    *) printf '%s' "$target" ;;
  esac
}

# DOCKER_BUILDKIT keeps layer/build cache across deploys; never prune -af here.
export DOCKER_BUILDKIT=1
docker build --platform linux/amd64 -t "$IMAGE_TAG" \
  --build-arg "NEXT_PUBLIC_API_URL=$(env_or_empty NEXT_PUBLIC_API_URL)" \
  --build-arg "NEXT_PUBLIC_FILE_SERVER_URL=$(env_or_empty NEXT_PUBLIC_FILE_SERVER_URL)" \
  --build-arg "MAP_API_KEY=$(env_or_empty MAP_API_KEY)" \
  --build-arg "NEXT_PUBLIC_MAP_API_KEY=$(env_or_empty NEXT_PUBLIC_MAP_API_KEY)" \
  --build-arg "NEXT_PUBLIC_VAPID_PUBLIC_KEY=$(env_or_empty NEXT_PUBLIC_VAPID_PUBLIC_KEY)" \
  --build-arg "NEXT_PUBLIC_BASE_PATH=$(env_or_empty NEXT_PUBLIC_BASE_PATH)" \
  --build-arg "NEXT_PUBLIC_SITE_URL=$(env_or_empty NEXT_PUBLIC_SITE_URL)" \
  --build-arg "NEXT_PUBLIC_OBSERVABILITY_ENDPOINT=$(env_or_empty NEXT_PUBLIC_OBSERVABILITY_ENDPOINT)" \
  --build-arg "NEXT_PUBLIC_SENTRY_DSN=$(env_or_empty NEXT_PUBLIC_SENTRY_DSN)" \
  --build-arg "NEXT_PUBLIC_SENTRY_ENVIRONMENT=$(env_or_empty NEXT_PUBLIC_SENTRY_ENVIRONMENT)" \
  --build-arg "NEXT_PUBLIC_SENTRY_TRACES_SAMPLE_RATE=$(env_or_empty NEXT_PUBLIC_SENTRY_TRACES_SAMPLE_RATE)" \
  --build-arg "NEXT_PUBLIC_ARCAPTCHA_SITE_KEY=$(env_or_empty NEXT_PUBLIC_ARCAPTCHA_SITE_KEY)" \
  --build-arg "SENTRY_AUTH_TOKEN=$(env_or_empty SENTRY_AUTH_TOKEN)" \
  --build-arg "SENTRY_ORG=$(env_or_empty SENTRY_ORG)" \
  --build-arg "SENTRY_PROJECT=$(env_or_empty SENTRY_PROJECT)" \
  --build-arg "API_PROXY_TARGET=$(sanitize_api_proxy_target)" \
  "$SRC_DIR"

# فقط dangling؛ prune -a/-af کش build را می‌کشد و هر deploy را cold می‌کند
docker image prune -f >/dev/null 2>&1 || true
echo "BUILT $IMAGE_TAG"
REMOTE

# --- stream image Finland → Iran, then compose up ---
"${ISSH[@]}" "${IRAN_USER}@${IRAN_HOST}" "install -d -m 0750 '${IRAN_APP}'"
scp -i "$HOME/.ssh/iran_key" -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new \
  deploy/docker-compose.production.yml \
  "${IRAN_USER}@${IRAN_HOST}:${IRAN_APP}/docker-compose.yml"
if [[ -f deploy/nginx/backoffice.conf ]]; then
  scp -i "$HOME/.ssh/iran_key" -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new \
    deploy/nginx/backoffice.conf \
    "${IRAN_USER}@${IRAN_HOST}:/etc/nginx/sites-available/backoffice"
  "${ISSH[@]}" "${IRAN_USER}@${IRAN_HOST}" '
    ln -sfn /etc/nginx/sites-available/backoffice /etc/nginx/sites-enabled/backoffice
    nginx -t && systemctl reload nginx
  '
fi

# فشرده‌سازی transfer؛ zstd اگر روی هر دو host باشد، وگرنه gzip
TRANSFER_CODEC=gzip
if "${FSSH[@]}" "${FINLAND_USER}@${FINLAND_HOST}" 'command -v zstd >/dev/null 2>&1' \
  && "${ISSH[@]}" "${IRAN_USER}@${IRAN_HOST}" 'command -v zstd >/dev/null 2>&1'; then
  TRANSFER_CODEC=zstd
fi

echo "Transferring ${IMAGE_TAG} Finland → Iran (${TRANSFER_CODEC})..."
if [[ "$TRANSFER_CODEC" == zstd ]]; then
  "${FSSH[@]}" "${FINLAND_USER}@${FINLAND_HOST}" "docker save '${IMAGE_TAG}' | zstd -T0 -3" \
    | "${ISSH[@]}" "${IRAN_USER}@${IRAN_HOST}" 'zstd -d | docker load'
else
  "${FSSH[@]}" "${FINLAND_USER}@${FINLAND_HOST}" "docker save '${IMAGE_TAG}' | gzip -1" \
    | "${ISSH[@]}" "${IRAN_USER}@${IRAN_HOST}" 'gzip -d | docker load'
fi

"${ISSH[@]}" "${IRAN_USER}@${IRAN_HOST}" \
  "ADMIN_IMAGE='${IMAGE_TAG}' bash -s" <<'REMOTE'
set -euo pipefail
cd /opt/ghabilee-admin
test -s .env
ADMIN_IMAGE="$ADMIN_IMAGE" docker compose -f docker-compose.yml up -d --no-deps ghabilee-admin
for attempt in $(seq 1 36); do
  health="$(docker inspect --format '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}' ghabilee-admin 2>/dev/null || echo missing)"
  echo "Admin health ${attempt}/36: ${health}"
  if [ "$health" = healthy ]; then
    # آزاد کردن دیسک بدون نابود کردن کش: فقط tagهای قدیمی admin که در حال استفاده نیستند
    docker images --format '{{.Repository}}:{{.Tag}}' \
      | awk -v keep="$ADMIN_IMAGE" '$0 ~ /^ghabilee-admin:/ && $0 != keep { print }' \
      | while IFS= read -r old; do
          docker rmi "$old" >/dev/null 2>&1 || true
        done
    docker image prune -f >/dev/null 2>&1 || true
    echo "Deploy OK"
    exit 0
  fi
  case "$health" in unhealthy|exited|dead|missing) exit 1 ;; esac
  sleep 5
done
exit 1
REMOTE

# روی Finland هم tagهای قدیمی admin را بردار؛ BuildKit cache دست‌نخورده می‌ماند
"${FSSH[@]}" "${FINLAND_USER}@${FINLAND_HOST}" \
  "IMAGE_TAG='${IMAGE_TAG}' bash -s" <<'REMOTE'
set -euo pipefail
docker images --format '{{.Repository}}:{{.Tag}}' \
  | awk -v keep="$IMAGE_TAG" '$0 ~ /^ghabilee-admin:/ && $0 != keep { print }' \
  | while IFS= read -r old; do
      docker rmi "$old" >/dev/null 2>&1 || true
    done
docker image prune -f >/dev/null 2>&1 || true
REMOTE