#!/bin/sh
set -eu

# Top-level build script — builds all ZDDC HTML tools, the zddc-server
# binaries, and the bootstrap stubs published under website/bootstrap/.

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 "=== 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.
mkdir -p "$SCRIPT_DIR/zddc/dist/web"
cp "$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"

# Cross-compiled zddc-server binaries — only relevant if you're shipping
# standalone Linux/macOS/Windows binaries to users. Skipped silently when
# podman isn't on PATH; the runtime container release path
# (release-image.sh) does its own internal build via Containerfile's
# multi-stage flow and doesn't need these host-side binaries.
echo ""
echo "=== Building zddc-server binaries ==="
if command -v podman >/dev/null 2>&1; then
    podman build --target binaries -o "$SCRIPT_DIR/zddc/dist/" "$SCRIPT_DIR/zddc/" 2>&1 | grep -v "^-->"
else
    echo "podman not found — skipping cross-compiled binary build."
    echo "  (Standalone-binary distribution only; the runtime container"
    echo "   release path builds its own copy via Containerfile.)"
fi

# ─── Bootstrap stubs ─────────────────────────────────────────────────────────
# Generated from bootstrap/level{1,2}.html.tmpl on every build and published
# as standalone files under website/bootstrap/. The website's "Install on
# your server" section prints copy-pasteable shell snippets that curl these
# files into the operator's deployment directory.
#
#   bootstrap/level1/<tool>.html              — same-origin stubs for
#                                               <project>/<tool>.html (4 tools;
#                                               landing only lives at root)
#   bootstrap/track-<channel>/<tool>.html     — level-2 stubs that fetch the
#                                               named channel from upstream
#                                               (5 tools × 3 channels = 15)

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}}, {{FAVICON}} in a template.
# The favicon is a base64-encoded data URI built once from shared/favicon.svg.
_favicon_data_uri=""
if [ -f "$SCRIPT_DIR/shared/favicon.svg" ]; then
    _favicon_data_uri="data:image/svg+xml;base64,$(base64 -w 0 "$SCRIPT_DIR/shared/favicon.svg")"
fi
render_stub() {
    sed \
        -e "s|{{TOOL_TITLE}}|$3|g" \
        -e "s|{{TOOL}}|$2|g" \
        -e "s|{{CHANNEL}}|${4:-}|g" \
        -e "s|{{FAVICON}}|$_favicon_data_uri|g" \
        "$1" > "$5"
}

build_bootstrap_stubs() {
    _stubs="$WEBSITE_DIR/bootstrap"
    rm -rf "$_stubs"
    mkdir -p "$_stubs/level1"

    # Level-1 stubs (same-origin, channel-agnostic). Drop into a project
    # subdirectory so <project>/<tool>.html fetches ../<tool>.html.
    # Landing has no level-1 stub — landing only lives at deployment root.
    while IFS='|' read -r _tool _file _title; do
        render_stub "$BOOTSTRAP_DIR/level1.html.tmpl" "$_tool" "$_title" "" \
            "$_stubs/level1/$_file"
    done <<EOF
archive|archive.html|Archive
transmittal|transmittal.html|Transmittal
classifier|classifier.html|Classifier
mdedit|mdedit.html|Markdown Editor
EOF
    echo "Wrote $_stubs/level1/{archive,transmittal,classifier,mdedit}.html"

    # Level-2 stubs, one set per channel. Each fetches its named channel
    # from upstream on every page load.
    for _channel in alpha beta stable; do
        mkdir -p "$_stubs/track-$_channel"
        while IFS='|' read -r _tool _file _title; do
            render_stub "$BOOTSTRAP_DIR/level2.html.tmpl" "$_tool" "$_title" "$_channel" \
                "$_stubs/track-$_channel/$_file"
        done <<EOF
$TOOL_TABLE
EOF
        echo "Wrote $_stubs/track-$_channel/ (5 stubs)"
    done
}

# Regenerate website/releases/index.html — a static directory listing of
# all tool releases with channel rows + per-version archive links. Read
# from the filesystem so the page is always consistent with what's there.
build_releases_index() {
    _out="$RELEASES_DIR/index.html"
    {
        cat <<'HEAD'
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Releases — ZDDC</title>
  <meta name="description" content="All released versions and channel builds of every ZDDC tool.">
  <meta name="theme-color" content="#2a5a8a">
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
  <link rel="stylesheet" href="../css/style.css">
  <style>
    .rel-tool { margin-top: var(--spacing-xl); padding: var(--spacing-md); border: 1px solid var(--color-border); border-radius: 8px; }
    .rel-tool h2 { margin-top: 0; }
    .rel-channels { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0 1.25rem 0; }
    .rel-channels a { padding: 0.25rem 0.625rem; border-radius: 999px; text-decoration: none; border: 1px solid var(--color-border); color: var(--color-text); font-size: 0.9rem; }
    .rel-channels a.stable { border-color: var(--color-primary); color: var(--color-primary); font-weight: 600; }
    .rel-channels a.beta, .rel-channels a.alpha { color: var(--color-text-muted); }
    .rel-channels a:hover { background: var(--color-bg-subtle); }
    .rel-versions { font-size: 0.875rem; color: var(--color-text-muted); }
    .rel-versions a { margin-right: 0.5rem; color: var(--color-text); text-decoration: none; padding: 0.1rem 0.4rem; border-radius: 4px; }
    .rel-versions a:hover { background: var(--color-bg-subtle); text-decoration: underline; }
    .rel-meta { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 0.5rem; }
    .rel-bin-table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1rem; font-size: 0.9rem; }
    .rel-bin-table th, .rel-bin-table td { text-align: left; padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--color-border); }
    .rel-bin-table th { font-weight: 600; color: var(--color-text-muted); }
    .rel-bin-table td.ch-stable { color: var(--color-primary); font-weight: 600; }
    .rel-bin-table td.ch-beta, .rel-bin-table td.ch-alpha { color: var(--color-text-muted); }
    .rel-bin-table a { color: var(--color-text); text-decoration: none; padding: 0.1rem 0.35rem; border-radius: 4px; }
    .rel-bin-table a:hover { background: var(--color-bg-subtle); text-decoration: underline; }
    .rel-bin-table td.empty { color: var(--color-text-muted); font-style: italic; }
    .rel-pull { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; background: var(--color-bg-subtle); padding: 0.25rem 0.5rem; border-radius: 4px; display: inline-block; margin: 0.2rem 0; }
  </style>
</head>
<body>
  <header class="site-header">
    <div class="container header-content">
      <a href="/" class="brand">
        <div class="brand-logo">
          <svg viewBox="0 0 24 24"><path d="M3 5h18v2H3V5zm0 6h12v2H3v-2zm0 6h6v2H3v-2z" /></svg>
        </div>
        <span class="brand-name">ZDDC</span>
      </a>
      <nav class="header-nav">
        <a href="/" class="nav-link">Home</a>
        <a href="../reference.html" class="nav-link">Docs</a>
        <a href="index.html" class="nav-link active">Releases</a>
      </nav>
    </div>
  </header>

  <section class="hero">
    <div class="container">
      <h1>Releases</h1>
      <p class="hero-subtitle">All published versions and channel builds of every ZDDC tool. Stable releases are immutable; alpha and beta channels are rebuilt without notice.</p>
    </div>
  </section>

  <main class="container" style="margin-bottom: var(--spacing-2xl);">
HEAD
        printf '%s\n' "$TOOL_TABLE" | while IFS='|' read -r _tool _file _title; do
            _stable_target=""
            if [ -L "$RELEASES_DIR/${_tool}_stable.html" ]; then
                _stable_target=$(readlink "$RELEASES_DIR/${_tool}_stable.html")
            fi
            printf '    <section class="rel-tool">\n'
            printf '      <h2>%s</h2>\n' "$_title"
            printf '      <div class="rel-channels">\n'
            [ -e "$RELEASES_DIR/${_tool}_stable.html" ] && printf '        <a class="stable" href="%s_stable.html">stable</a>\n' "$_tool"
            [ -e "$RELEASES_DIR/${_tool}_beta.html" ]   && printf '        <a class="beta"   href="%s_beta.html">beta</a>\n'   "$_tool"
            [ -e "$RELEASES_DIR/${_tool}_alpha.html" ]  && printf '        <a class="alpha"  href="%s_alpha.html">alpha</a>\n'  "$_tool"
            printf '      </div>\n'
            _versions=$(ls -1 "$RELEASES_DIR" 2>/dev/null | grep -E "^${_tool}_v[0-9]" | sort -V -r)
            if [ -n "$_versions" ]; then
                printf '      <div class="rel-versions"><strong>Pin to version:</strong>\n'
                printf '%s\n' "$_versions" | while read -r _v; do
                    _ver=${_v#${_tool}_v}; _ver=${_ver%.html}
                    printf '        <a href="%s">v%s</a>\n' "$_v" "$_ver"
                done
                printf '      </div>\n'
            fi
            if [ -n "$_stable_target" ]; then
                printf '      <div class="rel-meta">stable currently → %s</div>\n' "$_stable_target"
            fi
            printf '    </section>\n'
        done
        # zddc-server section — different artifact shape than the HTML tools.
        # Two artifact families:
        #   1. Downloadable binaries at website/releases/zddc-server-<os>-<arch>-<channel>
        #      (mutable channel pointers; release-image.sh writes them).
        #   2. Container images at codeberg.org/varasys/zddc-server:<channel> and
        #      :<version> (the registry; we don't proxy them through the website,
        #      but we list the recent tags and a `podman pull` snippet for each).
        printf '    <section class="rel-tool">\n'
        printf '      <h2>zddc-server</h2>\n'
        printf '      <p style="margin-top:0;color:var(--color-text-muted);font-size:0.95rem;">Go HTTP file server with ACL, .archive index, and a delegated-admin .zddc editor. Distributed as a container image (preferred) or a standalone binary.</p>\n'

        # Binaries table.
        _platforms="linux-amd64 darwin-amd64 darwin-arm64 windows-amd64"
        _have_any_bin=0
        for _ch in stable beta alpha; do
            for _p in $_platforms; do
                _ext=""; case "$_p" in windows-*) _ext=".exe" ;; esac
                if [ -f "$RELEASES_DIR/zddc-server-${_p}-${_ch}${_ext}" ]; then
                    _have_any_bin=1; break 2
                fi
            done
        done
        if [ "$_have_any_bin" = "1" ]; then
            printf '      <h3 style="font-size:1rem;margin:0.75rem 0 0.4rem;">Standalone binaries</h3>\n'
            printf '      <table class="rel-bin-table"><thead><tr><th>Channel</th>'
            for _p in $_platforms; do printf '<th>%s</th>' "$_p"; done
            printf '</tr></thead><tbody>\n'
            for _ch in stable beta alpha; do
                printf '        <tr><td class="ch-%s">%s</td>' "$_ch" "$_ch"
                for _p in $_platforms; do
                    _ext=""; case "$_p" in windows-*) _ext=".exe" ;; esac
                    _f="zddc-server-${_p}-${_ch}${_ext}"
                    if [ -f "$RELEASES_DIR/$_f" ]; then
                        printf '<td><a href="%s">download</a></td>' "$_f"
                    else
                        printf '<td class="empty">—</td>'
                    fi
                done
                printf '</tr>\n'
            done
            printf '      </tbody></table>\n'
        fi

        # Container image: pull-snippet box plus the recent git tag list.
        printf '      <h3 style="font-size:1rem;margin:0.75rem 0 0.4rem;">Container image</h3>\n'
        printf '      <p style="margin:0 0 0.4rem;font-size:0.9rem;">Pull from <a href="https://codeberg.org/VARASYS/-/packages/container/zddc-server">codeberg.org/varasys/zddc-server</a>:</p>\n'
        printf '      <div class="rel-channels">\n'
        printf '        <a class="stable" href="https://codeberg.org/VARASYS/-/packages/container/zddc-server/stable">:stable</a>\n'
        printf '        <a class="beta"   href="https://codeberg.org/VARASYS/-/packages/container/zddc-server/beta">:beta</a>\n'
        printf '        <a class="alpha"  href="https://codeberg.org/VARASYS/-/packages/container/zddc-server/alpha">:alpha</a>\n'
        printf '      </div>\n'
        printf '      <code class="rel-pull">podman pull codeberg.org/varasys/zddc-server:stable</code>\n'

        # Recent zddc-server tags from git: clean stables first (top), then
        # the most recent pre-releases. Dropping older pre-releases keeps the
        # list readable since alpha/beta cuts proliferate.
        _server_stables=$(git -C "$SCRIPT_DIR" tag --list 'zddc-server-v*' 2>/dev/null \
                          | grep -E '^zddc-server-v[0-9]+\.[0-9]+\.[0-9]+$' \
                          | sed 's|^zddc-server-v||' \
                          | sort -V -r)
        _server_prereleases=$(git -C "$SCRIPT_DIR" tag --list 'zddc-server-v*' 2>/dev/null \
                              | grep -E '^zddc-server-v[0-9]+\.[0-9]+\.[0-9]+-' \
                              | sed 's|^zddc-server-v||' \
                              | sort -V -r \
                              | head -10)
        if [ -n "$_server_stables" ] || [ -n "$_server_prereleases" ]; then
            printf '      <div class="rel-versions" style="margin-top:0.6rem;"><strong>Pin to version:</strong>\n'
            printf '%s\n' "$_server_stables" | while read -r _v; do
                [ -n "$_v" ] || continue
                printf '        <a href="https://codeberg.org/VARASYS/-/packages/container/zddc-server/%s">v%s</a>\n' "$_v" "$_v"
            done
            if [ -n "$_server_prereleases" ]; then
                printf '        <span style="color:var(--color-text-muted);">recent pre-releases:</span>\n'
                printf '%s\n' "$_server_prereleases" | while read -r _v; do
                    [ -n "$_v" ] || continue
                    printf '        <a href="https://codeberg.org/VARASYS/-/packages/container/zddc-server/%s">v%s</a>\n' "$_v" "$_v"
                done
            fi
            printf '      </div>\n'
        fi
        printf '    </section>\n'

        cat <<'TAIL'

    <section style="margin-top: var(--spacing-2xl); color: var(--color-text-muted); font-size: 0.9rem;">
      <p>Append <code>?v=alpha</code>, <code>?v=beta</code>, <code>?v=stable</code>, or <code>?v=0.0.1</code> to any deployment URL to switch versions for a single request — see <a href="../">the home page</a>.</p>
    </section>
  </main>

  <footer class="site-footer">
    <div class="container footer-content">
      <span>ZDDC is open source — <a href="https://codeberg.org/VARASYS/ZDDC">codeberg.org/VARASYS/ZDDC</a></span>
    </div>
  </footer>
</body>
</html>
TAIL
    } > "$_out"
    echo "Wrote $_out"
}

echo ""
echo "=== Building bootstrap stubs and releases/index.html ==="
build_bootstrap_stubs
build_releases_index

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 stubs: website/bootstrap/"
echo "  level1/<tool>.html              — same-origin stubs for project subdirs"
echo "  track-{alpha,beta,stable}/      — level-2 stubs for each channel"
echo ""
echo "The home page's 'Install on your server' section prints copy-pasteable"
echo "shell snippets that curl these files into the operator's deployment dir."