#!/bin/bash
# Copy the projektmatch package and vorgaben files into the Langflow data dir
# (mounted at /app/langflow in the container). Idempotent.
#
# NOTE: /home/tlg/mkt/bewerb/vorgaben/Lebenslauf_Dr-Ing_Thomas_Langer.md and
# /home/tlg/mkt/bewerb/.secrets/espocrm-api.md are chmod 600, owned by tlg.
# This script normally runs as the lwc automation user, which cannot read
# those two files (verified: `cp` fails with EACCES). Rather than aborting
# the whole deploy (set -e) on a permission error, each vorgaben file is
# copied individually and a missing/unreadable file only produces a WARN,
# so the parts of the pipeline that don't need it still deploy correctly.
set -e
SRC="$(cd "$(dirname "$0")/.." && pwd)"
DEST="$HOME/.local/share/langflow_pod/langflow-data"

rsync -a --delete --exclude __pycache__ "$SRC/projektmatch/" "$DEST/projektmatch/"
mkdir -p "$DEST/vorgaben"
for f in /home/tlg/mkt/bewerb/vorgaben/Lebenslauf_Dr-Ing_Thomas_Langer.md \
         /home/tlg/mkt/bewerb/vorgaben/rahmenbedingungen.md; do
  if [ -r "$f" ]; then
    cp "$f" "$DEST/vorgaben/"
  else
    echo "WARN: cannot read $f as $(whoami) (permission denied) - skipping" >&2
  fi
done
# Langflow runs as uid 1000 gid 0 -> needs group read
chmod -R g+rX "$DEST/projektmatch" "$DEST/vorgaben"

# Make /app/langflow importable as a Python path root inside the container.
# The component files (Task 9) do `sys.path.insert(0, "/app/langflow")` as
# a *runtime* statement, but Langflow 1.10's custom-component loader
# (lfx/custom/validate.py: prepare_global_scope/create_class) statically
# scans the module's top-level `import`/`from ... import` AST nodes and
# resolves them via importlib BEFORE executing any other code -- an `if:`
# block containing the sys.path hack is a plain ast.If node, which that
# loader silently drops without ever executing it. So "import projektmatch"
# 404s both at design time (POST /custom_component, used by build_flows.py)
# and at real flow-run time, regardless of the in-file sys.path trick,
# unless /app/langflow is already on sys.path when the interpreter starts.
# Fix: drop a .pth file into the venv's site-packages (only takes effect
# for *new* Python processes, so the running langflow server needs a
# restart to pick it up -- the venv itself lives in the container's
# ephemeral overlay, not the bind-mounted data dir, so this must be
# redone after any container recreation).
CTR="langflow_ctr"
if podman inspect "$CTR" >/dev/null 2>&1; then
  SITE_PKGS="$(podman exec "$CTR" python -c 'import site; print(site.getsitepackages()[0])')"
  PTH_FILE="$SITE_PKGS/projektmatch.pth"
  CURRENT="$(podman exec "$CTR" cat "$PTH_FILE" 2>/dev/null || true)"
  if [ "$CURRENT" != "/app/langflow" ]; then
    echo "Registering /app/langflow on container sys.path (restart required)..."
    podman exec "$CTR" sh -c "echo /app/langflow > '$PTH_FILE'"
    podman restart "$CTR" >/dev/null
    for i in $(seq 1 40); do
      code=$(curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:8090/api/v1/auto_login || true)
      [ "$code" = "200" ] && break
      sleep 3
    done
    if [ "$code" != "200" ]; then
      echo "WARN: $CTR did not come back healthy after restart (last health code: $code)" >&2
    fi
  fi
else
  echo "WARN: container $CTR not found - skipping sys.path fix" >&2
fi

echo "Deployed to $DEST"