#!/usr/bin/env bash
# bump-graphics-recipes.sh — Update tarball URLs/BLAKE3 for graphics recipes.
# Scope: recipes/libs, recipes/gpu, recipes/kde, recipes/qt, recipes/wip/{wayland,gpu,kde,qt}.
# Excludes: recipes/core/* (mini-ISO path), recipes/system/* (services).
#
# Usage: bump-graphics-recipes.sh [--dry-run] [--no-fetch]

set -euo pipefail

ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
DRY_RUN=0
NO_FETCH=0

for arg in "$@"; do
    case "$arg" in
        --dry-run)  DRY_RUN=1 ;;
        --no-fetch) NO_FETCH=1 ;;
        --help|-h)  echo "Usage: $0 [--dry-run] [--no-fetch]"; exit 0 ;;
        *) echo "Unknown option: $arg" >&2; exit 1 ;;
    esac
done

declare -A UPSTREAM_INDEX=(
    [cairo]=https://cairographics.org/releases/
    [freetype2]=https://download.savannah.gnu.org/freetype/
    [glib]=https://download.gnome.org/sources/glib/
    [harfbuzz]=https://github.com/harfbuzz/harfbuzz/releases/
    [libepoxy]=https://github.com/anholt/libepoxy/releases/
    [libxkbcommon]=https://github.com/xkbcommon/libxkbcommon/releases/
    [pango]=https://download.gnome.org/sources/pango/
    [libjpeg]=https://github.com/libjpeg-turbo/libjpeg-turbo/releases/
    [shared-mime-info]=https://gitlab.gnome.org/GNOME/shared-mime-info/-/tags/
    [gdk-pixbuf]=https://download.gnome.org/sources/gdk-pixbuf/
    [libxml2]=https://download.gnome.org/sources/libxml2/
    [kf6-karchive]=https://download.kde.org/stable/frameworks/
    [kf6-attica]=https://download.kde.org/stable/frameworks/
    [kf6-kcodecs]=https://download.kde.org/stable/frameworks/
)

GRAPHICS_DIRS=(
    "$ROOT/recipes/libs" "$ROOT/recipes/gpu" "$ROOT/recipes/kde" "$ROOT/recipes/qt"
    "$ROOT/recipes/wip/wayland" "$ROOT/recipes/wip/gpu" "$ROOT/recipes/wip/kde" "$ROOT/recipes/wip/qt"
)

VER_RE='-v?[0-9]+(\.[0-9]+){1,3}(-rc[0-9]+)?(-alpha[0-9]+)?(-beta[0-9]+)?'
resolve_latest() {
    local cached="$1" prefix="$2"
    grep -oE "${prefix}${VER_RE}\.tar\.(gz|xz|bz2|zst)" "$cached" | sort -uV | tail -1
}

UPDATED=0
SKIPPED=0
FAILED=0

for dir in "${GRAPHICS_DIRS[@]}"; do
    [ -d "$dir" ] || continue
    for rdir in "$dir"/*/; do
        [ -f "$rdir/recipe.toml" ] || continue
        name=$(basename "$rdir")

        if [ -z "${UPSTREAM_INDEX[$name]:-}" ]; then
            SKIPPED=$((SKIPPED+1))
            continue
        fi

        current=$(grep '^tar = ' "$rdir/recipe.toml" | head -1 | sed -E 's/^tar = "//;s/"$//')
        [ -z "$current" ] && { SKIPPED=$((SKIPPED+1)); continue; }

        case "$name" in
            glib|pango|shared-mime-info|gdk-pixbuf|libxml2) prefix="$name" ;;
            freetype2) prefix="freetype" ;;
            libepoxy)  prefix="libepoxy" ;;
            libxkbcommon) prefix="libxkbcommon" ;;
            libjpeg)   prefix="libjpeg-turbo" ;;
            cairo)     prefix="cairo" ;;
            harfbuzz)  prefix="harfbuzz" ;;
            kf6-*)     prefix="$(echo $name | sed 's/^kf6-//')" ;;
            *)         prefix="$name" ;;
        esac

        cached="$ROOT/.redbear-recipe-bump/$name.html"
        mkdir -p "$(dirname "$cached")"
        if [ "$NO_FETCH" = "0" ]; then
            if ! curl -sLf "${UPSTREAM_INDEX[$name]}" -o "$cached"; then
                echo "WARN: $name: failed to fetch ${UPSTREAM_INDEX[$name]}" >&2
                FAILED=$((FAILED+1))
                continue
            fi
        fi
        [ -f "$cached" ] || continue

        latest=$(resolve_latest "$cached" "$prefix")
        [ -z "$latest" ] && { SKIPPED=$((SKIPPED+1)); continue; }

        latest_url=$(grep -m1 -oE "${UPSTREAM_INDEX[$name]}${latest}" "$cached" | head -1)
        [ -z "$latest_url" ] && latest_url="${UPSTREAM_INDEX[$name]}${latest}"

        if [ "$current" = "$latest_url" ]; then
            SKIPPED=$((SKIPPED+1))
            continue
        fi

        echo "[$name] $current -> $latest_url"
        if [ "$DRY_RUN" = "0" ]; then
            tmp=$(mktemp)
            curl -sLf "$latest_url" -o "$tmp"
            new_hash=$(b3sum "$tmp" | awk '{print $1}')
            sed -i -E "s|^tar = \"[^\"]+\"|tar = \"$latest_url\"|" "$rdir/recipe.toml"
            sed -i -E "s|^blake3 = \"[a-f0-9]+\"|blake3 = \"$new_hash\"|" "$rdir/recipe.toml"
            rm -f "$tmp"
        fi
        UPDATED=$((UPDATED+1))
    done
done

echo ""
echo "=== Bump summary ==="
echo "Updated (or would-update): $UPDATED"
echo "Skipped (no index / already-current / non-tar): $SKIPPED"
echo "Failed (network/parse): $FAILED"
[ "$DRY_RUN" = "1" ] && echo "Dry-run only. No files changed."