#!/usr/bin/env bash
set -euo pipefail

WORKDIR=${WORKDIR:-/var/www/html}
SRC_DIR="${WORKDIR}/clients/photobooth-uploader/PhotoboothUploader"
OUT_DIR="${WORKDIR}/public/downloads"
OUT_FILE="${OUT_DIR}/PhotoboothUploader.exe"
STAMP_FILE="${OUT_DIR}/photobooth-uploader.hash"

if [[ ! -d "$SRC_DIR" ]]; then
    echo "[photobooth-uploader] Source directory not found: ${SRC_DIR}"
    exit 0
fi

mkdir -p "$OUT_DIR"

compute_hash() {
    find "$SRC_DIR" -type f \
        -not -path "*/bin/*" \
        -not -path "*/obj/*" \
        -print \
        | LC_ALL=C sort \
        | xargs sha256sum \
        | sha256sum \
        | awk '{print $1}'
}

HASH=$(compute_hash)

if [[ -f "$OUT_FILE" && -f "$STAMP_FILE" ]]; then
    CURRENT_HASH=$(cat "$STAMP_FILE" || true)
    if [[ "$CURRENT_HASH" == "$HASH" ]]; then
        echo "[photobooth-uploader] Up to date, skipping publish."
        exit 0
    fi
fi

echo "[photobooth-uploader] Publishing uploader exe..."
dotnet publish "${SRC_DIR}/PhotoboothUploader.csproj" \
    -c Release \
    -r win-x64 \
    --self-contained true \
    /p:PublishSingleFile=true \
    /p:IncludeNativeLibrariesForSelfExtract=true \
    -o "$OUT_DIR"

echo "$HASH" > "$STAMP_FILE"
echo "[photobooth-uploader] Published to ${OUT_FILE}"