#!/bin/sh
set -eu

# Top-level build script — builds all ZDDC HTML tools, the zddc-server
# binaries, and the downloadable bundles (install.zip and track-*.zip).

SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)

echo "=== Building ZDDC tools ==="

sh "$SCRIPT_DIR/transmittal/build.sh" "${1:-}" "${2:-}"
sh "$SCRIPT_DIR/archive/build.sh" "${1:-}" "${2:-}"
sh "$SCRIPT_DIR/classifier/build.sh" "${1:-}" "${2:-}"
sh "$SCRIPT_DIR/mdedit/build.sh" "${1:-}" "${2:-}"
sh "$SCRIPT_DIR/landing/build.sh" "${1:-}" "${2:-}"

echo ""
echo "=== Building zddc-server binaries ==="
mkdir -p "$SCRIPT_DIR/zddc/dist/web"
podman build --target binaries -o "$SCRIPT_DIR/zddc/dist/" "$SCRIPT_DIR/zddc/" 2>&1 | grep -v "^-->"

echo ""
echo "=== Assembling zddc/dist/web/ ==="
# Only landing and archive ship inside the server bundle: they call the
# server's JSON API (GET / for the project list, directory listings for the
# archive) and are useless without it. transmittal, classifier, and mdedit
# are pure client-side tools that work from file:// or any static host;
# they are released to website/ for download but not bundled with the server.
cp "$SCRIPT_DIR/landing/dist/index.html"   "$SCRIPT_DIR/zddc/dist/web/index.html"
cp "$SCRIPT_DIR/archive/dist/archive.html" "$SCRIPT_DIR/zddc/dist/web/archive.html"
echo "Wrote zddc/dist/web/index.html"
echo "Wrote zddc/dist/web/archive.html"

# ─── Bootstrap zips ──────────────────────────────────────────────────────────
# Generated from bootstrap/level{1,2}.html.tmpl on every build so they are
# always in sync with the current bootstrap pattern.
#
#   install.zip          — drop into deployment root for self-contained install.
#                          Contains the 5 current-stable HTMLs at root plus a
#                          _template/ directory with 4 level-1 stubs that
#                          projects can use as their starting layout.
#   track-<channel>.zip  — drop the level-2 stubs over deployment root to make
#                          the whole site track <channel> from zddc.varasys.io.
#
# install.zip needs at least one stable release to exist under
# website/releases/; if none exist yet, that zip is skipped with a warning.

WEBSITE_DIR="$SCRIPT_DIR/website"
RELEASES_DIR="$WEBSITE_DIR/releases"
BOOTSTRAP_DIR="$SCRIPT_DIR/bootstrap"

mkdir -p "$WEBSITE_DIR"

# tool|filename|title
TOOL_TABLE='archive|archive.html|Archive
transmittal|transmittal.html|Transmittal
classifier|classifier.html|Classifier
mdedit|mdedit.html|Markdown Editor
landing|index.html|ZDDC'

# Substitute {{TOOL}}, {{TOOL_TITLE}}, {{CHANNEL}} in a template.
# Substitute {{TOOL}}, {{TOOL_TITLE}}, {{CHANNEL}} in a template.
render_stub() {
    sed \
        -e "s|{{TOOL_TITLE}}|$3|g" \
        -e "s|{{TOOL}}|$2|g" \
        -e "s|{{CHANNEL}}|${4:-}|g" \
        "$1" > "$5"
}

build_install_zip() {
    # Verify a stable release exists for every tool before staging.
    _missing=""
    while IFS='|' read -r _tool _file _title; do
        [ -e "$RELEASES_DIR/${_tool}_latest.html" ] || _missing="$_missing $_tool"
    done <<EOF
$TOOL_TABLE
EOF

    if [ -n "$_missing" ]; then
        echo "Skipping install.zip — no stable release for:$_missing"
        return 0
    fi

    _staging=$(mktemp -d)
    while IFS='|' read -r _tool _file _title; do
        cp "$RELEASES_DIR/${_tool}_latest.html" "$_staging/$_file"
    done <<EOF
$TOOL_TABLE
EOF

    # _template/ holds level-1 bootstraps for the four interactive tools
    # (landing only lives at deployment root; project directories do not
    # have their own landing page).
    mkdir -p "$_staging/_template"
    while IFS='|' read -r _tool _file _title; do
        render_stub "$BOOTSTRAP_DIR/level1.html.tmpl" "$_tool" "$_title" "" "$_staging/_template/$_file"
    done <<EOF
archive|archive.html|Archive
transmittal|transmittal.html|Transmittal
classifier|classifier.html|Classifier
mdedit|mdedit.html|Markdown Editor
EOF

    cp "$BOOTSTRAP_DIR/README.md" "$_staging/README.md"

    rm -f "$WEBSITE_DIR/install.zip"
    (cd "$_staging" && zip -qr "$WEBSITE_DIR/install.zip" .)
    echo "Wrote $WEBSITE_DIR/install.zip"
    rm -rf "$_staging"
}

build_track_zip() {
    _channel="$1"
    _staging=$(mktemp -d)
    while IFS='|' read -r _tool _file _title; do
        render_stub "$BOOTSTRAP_DIR/level2.html.tmpl" "$_tool" "$_title" "$_channel" "$_staging/$_file"
    done <<EOF
$TOOL_TABLE
EOF

    rm -f "$WEBSITE_DIR/track-$_channel.zip"
    (cd "$_staging" && zip -qr "$WEBSITE_DIR/track-$_channel.zip" .)
    echo "Wrote $WEBSITE_DIR/track-$_channel.zip"
    rm -rf "$_staging"
}

echo ""
echo "=== Building install.zip and track-*.zip ==="
build_install_zip
build_track_zip alpha
build_track_zip beta
build_track_zip latest

echo ""
echo "=== All tools built successfully ==="
echo ""
echo "Server deployment package: zddc/dist/"
echo "  Binaries:  zddc-server-{linux,darwin,windows}-*"
echo "  Web files: web/  (copy contents to ZDDC_ROOT)"
echo ""
echo "Bootstrap downloads: website/"
echo "  install.zip       — self-contained install for deployment root"
echo "  track-alpha.zip   — level-2 stubs that track the alpha channel"
echo "  track-beta.zip    — level-2 stubs that track the beta channel"
echo "  track-latest.zip  — level-2 stubs that track the latest stable"