#!/bin/bash
set -e

# logpile Release Build Script
# Creates binaries for selected platforms and packages them for release

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Get version from git
VERSION=$(git describe --tags --always --dirty 2>/dev/null || echo "dev")
if [[ $VERSION == *"dirty"* ]] && [[ "${ALLOW_DIRTY}" != "1" ]]; then
    echo -e "${RED}Error: Working directory has uncommitted changes${NC}"
    echo "Commit your changes first (or run with ALLOW_DIRTY=1)"
    exit 1
fi

echo -e "${GREEN}Building logpile version: ${VERSION}${NC}"
echo ""

# Stable build env for this machine/toolchain
export GOPATH="${GOPATH:-/tmp/go}"
export GOCACHE="${GOCACHE:-/tmp/gocache}"
# Use the locally installed Go toolchain by default.
# A pinned or auto-downloaded toolchain can still be requested via env override.
export GOTOOLCHAIN="${GOTOOLCHAIN:-local}"
mkdir -p "${GOPATH}" "${GOCACHE}"

# Create release directory
RELEASE_DIR="releases/${VERSION}"
mkdir -p "${RELEASE_DIR}"

# Create release notes template (always include macOS Gatekeeper note)
if [ ! -f "${RELEASE_DIR}/RELEASE_NOTES.md" ]; then
cat > "${RELEASE_DIR}/RELEASE_NOTES.md" <<EON
# logpile ${VERSION}

Дата релиза: $(date +%Y-%m-%d)
Тег: \`${VERSION}\`

## Что нового

- TODO: опишите ключевые изменения релиза.

## Запуск на macOS

Снимите карантинный атрибут через терминал: \`xattr -d com.apple.quarantine /path/to/logpile-darwin-arm64\`
После этого бинарник запустится без предупреждения Gatekeeper.
EON
fi

# Build selected platforms
echo -e "${YELLOW}Building binaries...${NC}"
mkdir -p bin

CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 \
  go build -ldflags "-X main.version=${VERSION} -X main.commit=$(git rev-parse --short HEAD)" \
  -o bin/logpile-darwin-arm64 ./cmd/logpile

CGO_ENABLED=0 GOOS=windows GOARCH=amd64 \
  go build -ldflags "-X main.version=${VERSION} -X main.commit=$(git rev-parse --short HEAD)" \
  -o bin/logpile-windows-amd64.exe ./cmd/logpile

echo ""
echo -e "${YELLOW}Creating release packages...${NC}"

# Linux AMD64
if [ -f "bin/logpile-linux-amd64" ]; then
    cd bin
    tar -czf "../${RELEASE_DIR}/logpile-${VERSION}-linux-amd64.tar.gz" logpile-linux-amd64
    cd ..
    echo -e "${GREEN}  ✓ logpile-${VERSION}-linux-amd64.tar.gz${NC}"
fi

# Linux ARM64
if [ -f "bin/logpile-linux-arm64" ]; then
    cd bin
    tar -czf "../${RELEASE_DIR}/logpile-${VERSION}-linux-arm64.tar.gz" logpile-linux-arm64
    cd ..
    echo -e "${GREEN}  ✓ logpile-${VERSION}-linux-arm64.tar.gz${NC}"
fi

# macOS Intel
if [ -f "bin/logpile-darwin-amd64" ]; then
    cd bin
    tar -czf "../${RELEASE_DIR}/logpile-${VERSION}-darwin-amd64.tar.gz" logpile-darwin-amd64
    cd ..
    echo -e "${GREEN}  ✓ logpile-${VERSION}-darwin-amd64.tar.gz${NC}"
fi

# macOS Apple Silicon
if [ -f "bin/logpile-darwin-arm64" ]; then
    cd bin
    tar -czf "../${RELEASE_DIR}/logpile-${VERSION}-darwin-arm64.tar.gz" logpile-darwin-arm64
    cd ..
    echo -e "${GREEN}  ✓ logpile-${VERSION}-darwin-arm64.tar.gz${NC}"
fi

# Windows AMD64
if [ -f "bin/logpile-windows-amd64.exe" ]; then
    cd bin
    zip -q "../${RELEASE_DIR}/logpile-${VERSION}-windows-amd64.zip" logpile-windows-amd64.exe
    cd ..
    echo -e "${GREEN}  ✓ logpile-${VERSION}-windows-amd64.zip${NC}"
fi

# Generate checksums
echo ""
echo -e "${YELLOW}Generating checksums...${NC}"
cd "${RELEASE_DIR}"
shasum -a 256 *.tar.gz *.zip > SHA256SUMS.txt 2>/dev/null || shasum -a 256 * | grep -v SHA256SUMS > SHA256SUMS.txt
cd ../..
echo -e "${GREEN}  ✓ SHA256SUMS.txt${NC}"

# List release files
echo ""
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo -e "${GREEN}Release ${VERSION} built successfully!${NC}"
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo ""
echo "Files in ${RELEASE_DIR}:"
ls -lh "${RELEASE_DIR}"
echo ""

# Show next steps
echo -e "${YELLOW}Next steps:${NC}"
echo "  1. Create git tag:"
echo "     git tag -a ${VERSION} -m \"Release ${VERSION}\""
echo ""
echo "  2. Push tag to remote:"
echo "     git push origin ${VERSION}"
echo ""
echo "  3. Create release on git.mchus.pro:"
echo "     - Go to: https://git.mchus.pro/mchus/logpile/releases"
echo "     - Click 'New Release'"
echo "     - Select tag: ${VERSION}"
echo "     - Upload files from: ${RELEASE_DIR}/"
echo ""

echo -e "${GREEN}Done!${NC}"