#!/usr/bin/env bash
# Send one prepared post (pr-hall-of-helix/posts/<file>.yaml) through a
# short-lived local adapter, then stop it.
#
# The bot token goes from OpenBao straight into the adapter's environment and
# is never printed. The adapter's store is in memory, so idempotency on post_id
# holds only within one run: do not re-run for a post that already went out.
#
# Run it yourself inside the attended OpenBao login. warden fails closed on any
# output, so redirect both streams, and use absolute paths (HOME is replaced):
#
#   warden access openbao-platform-admin-login --exec -- bash -c \
#     '/home/worsch/fluid-telegram/scripts/send-post.sh \
#        /home/worsch/pr-hall-of-helix/posts/<post>.yaml test \
#        > /home/worsch/send-post.log 2>&1'
set -euo pipefail

post=$(realpath "$1")
channel=${2:-test}
port=${PORT:-18089}
cd "$(dirname "$(realpath "$0")")/.."
spec=${SPEC:-$(realpath ../pr-hall-of-helix/presence/telegram.yaml)}

# Under `warden access ... --exec`, HOME is a throwaway session directory that
# holds the OpenBao token helper. Keep Go's caches at the real home so the
# build does not start from nothing there.
realhome=$(getent passwd "$(id -u)" | cut -d: -f6)
export GOPATH=${GOPATH:-$realhome/go}
export GOMODCACHE=${GOMODCACHE:-$GOPATH/pkg/mod}
export GOCACHE=${GOCACHE:-$realhome/.cache/go-build}

read -r want reviewed < <(python3 -c '
import sys, yaml
d = yaml.safe_load(open(sys.argv[1]))
print(d["channel"], d["request"].get("reviewed_by") or "-")' "$post")
[ "$want" = "$channel" ] || { echo "post is for channel '$want', not '$channel'" >&2; exit 2; }
[ "$reviewed" != "-" ] || { echo "request.reviewed_by is empty; a person reviews before sending" >&2; exit 2; }

TELEGRAM_CHANNEL_ID=$(go run ./cmd/provision adapter-config --spec "$spec" --channel "$channel" \
  | sed -n 's/^TELEGRAM_CHANNEL_ID=//p')
[ -n "$TELEGRAM_CHANNEL_ID" ] || { echo "no chat id for channel '$channel'" >&2; exit 2; }

tmp=$(mktemp -d)
go build -o "$tmp/adapter" ./cmd/adapter
go build -o "$tmp/compose" ./cmd/compose

# The image, resolved before any credential is touched. A post's own
# request.visual_url wins; otherwise its source entry's rendered portrait;
# an entry with only a visual prompt is held until the portrait is rendered;
# a post with no prompt at all (an outlet post) carries the campaign image.
# Public posts always carry an image.
hall=${HALL_DIR:-$(realpath ../hall-of-helix)}
forge=${FORGE_RAW:-https://forgejo.coulomb.social/coulomb}
python3 - "$post" "$channel" "$tmp" "$hall" "$forge" <<'PY' || { rm -rf "$tmp"; exit 2; }
import json, os, subprocess, sys, yaml
post, channel, tmp, hall, forge = sys.argv[1:]
d = yaml.safe_load(open(post))
req = d["request"]
if not req.get("visual_url"):
    cmd = [f"{tmp}/compose", "visual", "--hall-dir", hall,
           "--hall-raw-base", f"{forge}/hall-of-helix/raw/branch/main",
           "--fallback", f"{forge}/pr-hall-of-helix/raw/branch/main/assets/helix-forge.png"]
    if d.get("source_entry_path"):
        cmd += ["--entry", os.path.join(hall, d["source_entry_path"])]
    v = json.loads(subprocess.run(cmd, check=True, capture_output=True, text=True).stdout)
    if v["kind"] == "needs-render":
        sys.exit(f"held: the source entry has a visual prompt but no rendered portrait "
                 f"(expected at {v.get('target') or 'an unnamed visuals/ file'}); render it into the hall first")
    req["visual_url"] = v["visual_url"]
    print(f"image: {v['kind']} {v['visual_url']}")
else:
    print(f"image: post {req['visual_url']}")
if channel == "public" and not req.get("visual_url"):
    sys.exit("public posts carry an image")
json.dump(req, open(f"{tmp}/request.json", "w"))
PY

# Read the KV v2 data path directly: `bao kv get` first queries
# sys/internal/ui/mounts, which a workload-scoped token may not be allowed to.
token=$(bao read -format=json \
  platform/data/workloads/infotech/fluid-telegram/hall-of-helix/bot-token \
  | python3 -c 'import sys, json; print(json.load(sys.stdin)["data"]["data"]["token"])') \
  || { rm -rf "$tmp"; echo "could not read the bot token from OpenBao (logged in? read on platform/data/workloads/infotech/fluid-telegram/hall-of-helix/*?)" >&2; exit 2; }

TELEGRAM_BOT_TOKEN=$token TELEGRAM_CHANNEL_ID=$TELEGRAM_CHANNEL_ID ATTACH_VISUAL=true \
  ADAPTER_LISTEN_ADDR=127.0.0.1:$port "$tmp/adapter" &
pid=$!
unset token
trap 'kill $pid 2>/dev/null; rm -rf "$tmp"' EXIT

for _ in $(seq 50); do
  curl -s -o /dev/null "http://127.0.0.1:$port/" && break
  sleep 0.1
done

curl -sS -w '\nHTTP %{http_code}\n' -X POST -H 'Content-Type: application/json' \
  --data-binary @"$tmp/request.json" "http://127.0.0.1:$port/v1/channel-posts"