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

# Build and verify a production release of Open Tasks
REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
export PYTHONPATH="${REPO_ROOT}/src:${PYTHONPATH:-}"

VERSION=""
OUTPUT_DIR="${REPO_ROOT}/dist"

while [[ $# -gt 0 ]]; do
    case "$1" in
        --version|-v)
            VERSION="$2"
            shift 2
            ;;
        --output-dir|-o)
            OUTPUT_DIR="$2"
            shift 2
            ;;
        *)
            if [ -z "$VERSION" ]; then
                VERSION="$1"
            fi
            shift
            ;;
    esac
done

if [ -z "$VERSION" ]; then
    VERSION=$(python3 -c "import ot; print(ot.__version__)")
fi
mkdir -p "$OUTPUT_DIR"

echo "=== 1. Running Test Suite ==="
python3 -m unittest discover -s "${REPO_ROOT}/tests"

echo "=== 2. Building Release Artifact (v${VERSION}) ==="
python3 -m ot.packaging \
    --version "$VERSION" \
    --src-dir "${REPO_ROOT}/src" \
    --output-dir "$OUTPUT_DIR" \
    --artifact-name "ot-${VERSION}.zipapp"

# Also maintain canonical ot.zipapp copy in dist/
cp "${OUTPUT_DIR}/ot-${VERSION}.zipapp" "${OUTPUT_DIR}/ot.zipapp"

echo "=== 3. Generating SHA256 Checksums ==="
cd "$OUTPUT_DIR"
if command -v sha256sum >/dev/null 2>&1; then
    sha256sum "ot-${VERSION}.zipapp" "ot.zipapp" > SHA256SUMS
elif command -v shasum >/dev/null 2>&1; then
    shasum -a 256 "ot-${VERSION}.zipapp" "ot.zipapp" > SHA256SUMS
fi

echo "=== 4. Validating Built Release Artifact ==="
python3 "${OUTPUT_DIR}/ot-${VERSION}.zipapp" version

echo "=========================================="
echo "Release Pipeline completed successfully for v${VERSION}!"
echo "Artifacts created in ${OUTPUT_DIR}:"
ls -la "${OUTPUT_DIR}"