#!/usr/bin/env bash
# Build the Windows shop-PC package and publish it as a Gitea release.
#
#   ./release.sh v0.4.2                 build dist/Behavision-v0.4.2-windows-x64.zip and publish
#   PUBLISH=0 ./release.sh v0.4.2       build only
#
# The package is a SOURCE install: the Go binaries are cross-compiled here, the
# engine ships as a pure-Python wheel and behavision-setup.exe builds a venv on
# the shop PC. PyInstaller cannot cross-compile, so a frozen engine needs a
# Windows build machine we do not have; this is what lets a release happen
# from this Mac at all. Layout matches what behavision-setup expects and what
# INSTALL.txt describes.
set -euo pipefail
cd "$(dirname "$0")"
export PATH="$PATH:$HOME/go/bin:/opt/homebrew/bin"

TAG=${1:?usage: release.sh vX.Y.Z}
REPO_API=https://gitapp.workolik.com/api/v1/repos/Loyaly/Behavision
STAGE=dist/Behavision
ZIP="dist/Behavision-$TAG-windows-x64.zip"

step() { printf '\n\033[1m%s\033[0m\n' "$*"; }
case "$(git describe --tags --always --dirty)" in *-dirty) echo "refusing to release uncommitted changes" >&2; exit 1;; esac
if git rev-parse -q --verify "refs/tags/$TAG" >/dev/null; then
  [ "$(git rev-parse "$TAG^{}")" = "$(git rev-parse HEAD)" ] || { echo "$TAG exists and is not HEAD" >&2; exit 1; }
fi

step "1. Desktop app (Wails, pure-Go Windows target)"
(cd desktop/frontend && npm run build >/dev/null)
rm -rf "$STAGE" && mkdir -p "$STAGE/engine-src"
(cd desktop && CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -trimpath \
  -ldflags "-H windowsgui -s -w -X main.version=$TAG" -o "../$STAGE/Behavision.exe" .)

step "2. Agent and setup tool"
(cd agent && CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -trimpath \
  -ldflags "-s -w -X main.version=$TAG" -o "../$STAGE/behavision-agent.exe" . \
  && CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -trimpath \
  -ldflags "-s -w -X main.version=$TAG" -o "../$STAGE/behavision-setup.exe" ./cmd/behavision-setup)

step "3. Engine source and wheel"
# The wheel is built with the checkout's own interpreter; requires-python is a
# statement about the SHOP PC, which setup enforces when it finds Python there.
.venv/bin/python -m pip wheel --no-deps --ignore-requires-python -q -w "$STAGE/engine-src" . 2>&1 | grep -v "DEPRECATION\|WARNING: Ignoring" || true
ls "$STAGE"/engine-src/behavision-*.whl >/dev/null || { echo "wheel was not built" >&2; exit 1; }
cp pyproject.toml requirements.txt "$STAGE/engine-src/"
mkdir -p "$STAGE/engine-src/config" && cp config/default.yaml "$STAGE/engine-src/config/"
rsync -a --exclude '__pycache__' behavision/ "$STAGE/engine-src/behavision/"
cp installer/INSTALL.txt installer/run-with-lan-head-office.cmd "$STAGE/"

step "4. Package"
rm -f "$ZIP" && (cd dist && zip -qr "$(basename "$ZIP")" Behavision) && ls -la "$ZIP" | awk '{print "   " $5 " bytes  " $9}'
unzip -l "$ZIP" | grep -E "Behavision\.exe|agent\.exe|setup\.exe|\.whl|INSTALL" | awk '{print "   " $4}'

[ "${PUBLISH:-1}" = "1" ] || { echo "built, not published"; exit 0; }

step "5. Tag and publish"
git rev-parse -q --verify "refs/tags/$TAG" >/dev/null || git tag -a "$TAG" -m "$TAG"
git push -q origin "$TAG"
# The notes come from a file so they are reviewed, not typed into a shell.
NOTES=${NOTES:-dist/RELEASE-NOTES-$TAG.md}
[ -f "$NOTES" ] || { echo "write the release notes to $NOTES first" >&2; exit 1; }
# Same credential git pushes with; Gitea accepts it as Basic auth for the API.
CRED=$(printf 'protocol=https\nhost=gitapp.workolik.com\n' | git credential fill)
USER=$(printf '%s' "$CRED" | sed -n 's/^username=//p'); PASS=$(printf '%s' "$CRED" | sed -n 's/^password=//p')
BODY=$(python3 -c 'import json,sys;print(json.dumps({"tag_name":sys.argv[1],"name":sys.argv[2],"body":open(sys.argv[3]).read(),"prerelease":True}))' "$TAG" "$TAG — $(head -1 "$NOTES" | sed 's/^#* *//')" "$NOTES")
REL=$(curl -sS -u "$USER:$PASS" -H 'content-type: application/json' -d "$BODY" "$REPO_API/releases")
ID=$(printf '%s' "$REL" | python3 -c 'import json,sys;print(json.load(sys.stdin)["id"])')
curl -sS -u "$USER:$PASS" -F "attachment=@$ZIP" "$REPO_API/releases/$ID/assets?name=$(basename "$ZIP")" >/dev/null
echo "   published: https://gitapp.workolik.com/Loyaly/Behavision/releases/tag/$TAG"