#!/bin/sh
set -eu

root_dir=$(cd "$(dirname "$0")" && pwd)
. "$root_dir/../shared/build-lib.sh"

src_html="$root_dir/template.html"
output_dir="$root_dir/dist"
output_html="$output_dir/browse.html"

mkdir -p "$output_dir"
ensure_exists "$src_html"

css_temp=$(mktemp)
js_raw=$(mktemp)
js_temp=$(mktemp)
cleanup() { rm -f "$css_temp" "$js_raw" "$js_temp"; }
trap cleanup EXIT

# CSS files: shared base first, then browse-specific. Toast UI's CSS
# is bundled because the markdown plugin uses Toast UI inside the
# preview pane (.md files render as a full editor).
concat_files \
    "../shared/fonts.css" \
    "../shared/base.css" \
    "../shared/toast.css" \
    "../shared/nav.css" \
    "../shared/logo.css" \
    "../shared/vendor/toastui-editor.min.css" \
    "css/base.css" \
    "css/tree.css" \
    > "$css_temp"

# JS files: shared canonical helpers, then browse modules.
# init.js must come first so window.app exists when later modules
# attach to it. JSZip is vendored (rather than CDN-loaded) so ZIP
# expansion in the tree works under restrictive networks / CSPs and
# without an external HTTP dependency.
concat_files \
    "../shared/vendor/jszip.min.js" \
    "../shared/vendor/utif.min.js" \
    "../shared/vendor/toastui-editor-all.min.js" \
    "../shared/zddc.js" \
    "../shared/zddc-filter.js" \
    "../shared/theme.js" \
    "../shared/toast.js" \
    "../shared/nav.js" \
    "../shared/logo.js" \
    "../shared/help.js" \
    "../shared/preview-lib.js" \
    "js/init.js" \
    "js/loader.js" \
    "js/tree.js" \
    "js/preview.js" \
    "js/preview-markdown.js" \
    "js/grid.js" \
    "js/upload.js" \
    "js/events.js" \
    "js/app.js" \
    > "$js_raw"

# Escape any literal `</` inside JS string/template literals so the
# inlined <script> block doesn't get terminated prematurely.
escape_js_close_tags "$js_raw" "$js_temp"

tool=browse
compute_build_label "$tool" "$@"

# Replace template placeholders with concatenated CSS/JS + label.
# Non-stable build labels (alpha/beta/dev-dirty) are wrapped in a red
# span — same convention as every other tool (compute_build_label
# sets $is_red=1 for non-stable cuts). Keeps the visual cue
# consistent across tool headers.
awk -v css_file="$css_temp" -v js_file="$js_temp" \
    -v build_label="$build_label" -v is_red="$is_red" \
    -v favicon="$favicon_data_uri" '
    /\{\{CSS_PLACEHOLDER\}\}/ {
        while ((getline line < css_file) > 0) print line
        close(css_file); next
    }
    /\{\{JS_PLACEHOLDER\}\}/ {
        while ((getline line < js_file) > 0) print line
        close(js_file); next
    }
    /\{\{BUILD_LABEL\}\}/ {
        if (is_red == "1") {
            gsub(/\{\{BUILD_LABEL\}\}/, "<span style=\"color:red;font-weight:bold\">" build_label "</span>")
        } else {
            gsub(/\{\{BUILD_LABEL\}\}/, build_label)
        }
        print; next
    }
    {
        gsub(/\{\{FAVICON\}\}/, favicon)
        print
    }
' "$src_html" > "$output_html"

echo "Wrote $output_html"

# Promote AFTER the dist file exists so promote_release can copy from
# $output_html. (The order matters — _promote_stable does cp $output_html ...)
promote_release "$tool"
