#!/usr/bin/env bash
# Single source of truth for Amethyst release asset naming.
#
# Three product lines share this contract:
#   amethyst-desktop-<version>-<family>-<arch>.<ext>   (Compose Desktop app)
#   amy-<version>-<family>-<arch>.<ext>                (Amy CLI — cli/ module)
#   geode-<version>-<family>-<arch>.<ext>              (geode relay — geode/ module)
#
#   <version> = tag stripped of leading 'v' (e.g. "1.08.0")
#   <family>  = macos | windows | linux
#   <arch>    = x64 | arm64
#   <ext>     = dmg | msi | zip | deb | rpm | AppImage | flatpak | tar.gz
#
# Consumed by: .github/workflows/create-release.yml, .github/workflows/bump-*.yml,
#              BUILDING.md, local release runbooks.
#
# Usage:
#   source scripts/asset-name.sh
#   collect_assets     <family> <arch> <version> <dest_dir>   # desktop
#   collect_cli_assets <family> <arch> <version> <dest_dir>   # amy CLI
#
# Expected examples:
#   amethyst-desktop-1.08.0-macos-x64.dmg
#   amethyst-desktop-1.08.0-macos-arm64.dmg
#   amethyst-desktop-1.08.0-windows-x64.msi
#   amethyst-desktop-1.08.0-windows-x64.zip
#   amethyst-desktop-1.08.0-windows-arm64.msi
#   amethyst-desktop-1.08.0-windows-arm64.zip
#   amethyst-desktop-1.08.0-linux-x64.deb
#   amethyst-desktop-1.08.0-linux-x64.rpm
#   amethyst-desktop-1.08.0-x86_64.AppImage
#   amethyst-desktop-1.08.0-linux-x64.flatpak
#   amethyst-desktop-1.08.0-linux-x64.tar.gz
#   amethyst-desktop-1.08.0-linux-arm64.deb
#   amethyst-desktop-1.08.0-linux-arm64.rpm
#   amethyst-desktop-1.08.0-aarch64.AppImage
#   amethyst-desktop-1.08.0-linux-arm64.flatpak
#   amethyst-desktop-1.08.0-linux-arm64.tar.gz
#   amy-1.08.0-macos-arm64.tar.gz
#   amy-1.08.0-macos-x64.tar.gz
#   amy-1.08.0-linux-x64.tar.gz
#   amy-1.08.0-linux-x64.deb
#   amy-1.08.0-linux-x64.rpm
#   amy-1.08.0-linux-arm64.tar.gz
#   amy-1.08.0-linux-arm64.deb
#   amy-1.08.0-linux-arm64.rpm
#   amy-1.08.0-windows-x64.zip
#   amy-1.08.0-windows-arm64.zip
#   geode-1.08.0-macos-arm64.tar.gz
#   geode-1.08.0-linux-x64.tar.gz
#   geode-1.08.0-linux-x64.deb
#   geode-1.08.0-linux-x64.rpm
#   geode-1.08.0-linux-arm64.tar.gz
#   geode-1.08.0-linux-arm64.deb
#   geode-1.08.0-linux-arm64.rpm
#   geode-1.08.0-windows-x64.zip
#   geode-1.08.0-windows-arm64.zip
#
# The AppImage breaks the family/arch shape on purpose: AppImageHub
# (appimage.github.io) flags "linux" in an AppImage name, since every AppImage
# is for Linux, and expects the AppImage arch names, so it is
#   amethyst-desktop-<version>-<x86_64|aarch64>.AppImage
#
# Two more assets break the family/arch shape on purpose: the no-JRE jar bundles for
# Homebrew-core are pure JVM bytecode (no bundled runtime), so a single
# platform-independent artifact serves every OS:
#   amy-1.08.0-jvm.tar.gz
#   geode-1.08.0-jvm.tar.gz
# They are packaged inline in create-release.yml (linux leg), not via the helpers
# below, since they have no <family>/<arch> dimension.

set -euo pipefail

# Print the canonical asset filename for a given family/arch/version/extension.
# Usage: asset_name <family> <arch> <version> <ext>
asset_name() {
    local family="$1" arch="$2" version="$3" ext="$4"
    printf 'amethyst-desktop-%s-%s-%s.%s' "$version" "$family" "$arch" "$ext"
}

# CLI variant of asset_name — same shape, different product prefix.
# Usage: cli_asset_name <family> <arch> <version> <ext>
cli_asset_name() {
    local family="$1" arch="$2" version="$3" ext="$4"
    printf 'amy-%s-%s-%s.%s' "$version" "$family" "$arch" "$ext"
}

# geode relay variant of asset_name — same shape, different product prefix.
# Usage: geode_asset_name <family> <arch> <version> <ext>
geode_asset_name() {
    local family="$1" arch="$2" version="$3" ext="$4"
    printf 'geode-%s-%s-%s.%s' "$version" "$family" "$arch" "$ext"
}

# AppImage variant: no <family> (all AppImages are for Linux) and the AppImage
# arch names (x86_64 / aarch64) instead of x64 / arm64.
# Usage: appimage_asset_name <arch> <version>
appimage_asset_name() {
    local arch="$1" version="$2" appimage_arch
    case "$arch" in
        x64)   appimage_arch="x86_64" ;;
        arm64) appimage_arch="aarch64" ;;
        *)     echo "appimage_asset_name: unsupported arch '$arch'" >&2; return 1 ;;
    esac
    printf 'amethyst-desktop-%s-%s.AppImage' "$version" "$appimage_arch"
}

# Copy + rename build outputs into <dest_dir> using the canonical naming scheme.
# Usage: collect_assets <family> <arch> <version> <dest_dir>
# Expects build outputs under desktopApp/build/... (Compose binaries + custom tasks + portable archives).
collect_assets() {
    local family="$1" arch="$2" version="$3" dest="$4"
    # Normalize internal matrix family aliases to canonical asset-name families.
    [[ "$family" == "linux-portable" ]] && family="linux"
    mkdir -p "$dest"
    shopt -s nullglob

    # Compose Desktop jpackage outputs (main-release/<format>/*.ext)
    local src ext base dst
    for src in \
        desktopApp/build/compose/binaries/main-release/dmg/*.dmg \
        desktopApp/build/compose/binaries/main-release/msi/*.msi \
        desktopApp/build/compose/binaries/main-release/deb/*.deb \
        desktopApp/build/compose/binaries/main-release/rpm/*.rpm \
        desktopApp/build/appimage/*.AppImage \
        desktopApp/build/flatpak/*.flatpak \
        desktopApp/build/portable/*.tar.gz \
        desktopApp/build/portable/*.zip \
    ; do
        [ -f "$src" ] || continue
        base="$(basename "$src")"
        case "$base" in
            *.tar.gz) ext="tar.gz" ;;
            *)        ext="${base##*.}" ;;
        esac
        if [[ "$ext" == "AppImage" ]]; then
            dst="$dest/$(appimage_asset_name "$arch" "$version")"
        else
            dst="$dest/$(asset_name "$family" "$arch" "$version" "$ext")"
        fi
        cp "$src" "$dst"
        echo "Collected: $dst"
    done
    shopt -u nullglob
}

# Copy + rename amy CLI build outputs into <dest_dir> using the canonical
# amy-<version>-<family>-<arch>.<ext> scheme.
#
# Expected inputs:
#   cli/build/amy-image/amy/    flat app-image built by :cli:amyImage
#                               (bin/amy + bin/amy.bat + lib/*.jar + runtime/)
#   cli/build/jpackage/*.deb    from :cli:jpackageDeb (Linux only)
#   cli/build/jpackage/*.rpm    from :cli:jpackageRpm (Linux only)
#
# On Windows the flat image is packaged as .zip (native archive format,
# preserves file layout without requiring a tar tool at install time). Every
# other OS uses tar.gz.
#
# Usage: collect_cli_assets <family> <arch> <version> <dest_dir>
collect_cli_assets() {
    local family="$1" arch="$2" version="$3" dest="$4"
    mkdir -p "$dest"
    local abs_dest
    abs_dest="$(cd "$dest" && pwd)"
    shopt -s nullglob

    # 1. Archive the flat app-image into amy-<version>-<family>-<arch>.<ext>.
    #    macOS runners produce only this one. Windows uses .zip; every other
    #    OS uses tar.gz.
    local app_image="cli/build/amy-image/amy"
    if [ -d "$app_image" ]; then
        if [ "$family" = "windows" ]; then
            local zipfile="$abs_dest/$(cli_asset_name "$family" "$arch" "$version" zip)"
            # Prefer 7z when available (bash+7zip is standard on GH windows runners),
            # else fall back to a portable python3 zipfile. `zip` itself is not always
            # present on GH windows runners.
            if command -v 7z >/dev/null 2>&1; then
                ( cd "$(dirname "$app_image")" && 7z a -tzip "$zipfile" "$(basename "$app_image")/" >/dev/null )
            elif command -v zip >/dev/null 2>&1; then
                ( cd "$(dirname "$app_image")" && zip -qr "$zipfile" "$(basename "$app_image")" )
            else
                python3 - "$app_image" "$zipfile" <<'PY'
import os, sys, zipfile
src, dst = sys.argv[1], sys.argv[2]
root = os.path.dirname(src)
base = os.path.basename(src)
with zipfile.ZipFile(dst, "w", zipfile.ZIP_DEFLATED) as zf:
    for dirpath, _dirs, files in os.walk(src):
        for f in files:
            p = os.path.join(dirpath, f)
            zf.write(p, os.path.relpath(p, root))
PY
            fi
            echo "Collected: $zipfile"
        else
            local tarball="$abs_dest/$(cli_asset_name "$family" "$arch" "$version" tar.gz)"
            ( cd "$(dirname "$app_image")" && tar czf "$tarball" "$(basename "$app_image")" )
            echo "Collected: $tarball"
        fi
    fi

    # 2. Linux native installers (.deb, .rpm). jpackage writes them directly
    #    to cli/build/jpackage/ with its own naming, so we re-copy under the
    #    canonical scheme.
    local src base ext dst
    for src in \
        cli/build/jpackage/*.deb \
        cli/build/jpackage/*.rpm \
    ; do
        [ -f "$src" ] || continue
        base="$(basename "$src")"
        ext="${base##*.}"
        dst="$abs_dest/$(cli_asset_name "$family" "$arch" "$version" "$ext")"
        cp "$src" "$dst"
        echo "Collected: $dst"
    done
    shopt -u nullglob
}

# Copy + rename geode relay build outputs into <dest_dir> using the canonical
# geode-<version>-<family>-<arch>.<ext> scheme.
#
# Expected inputs:
#   geode/build/geode-image/geode/  flat app-image built by :geode:geodeImage
#                                   (bin/geode + bin/geode.bat + lib/*.jar
#                                    + runtime/ + share/)
#   geode/build/jpackage/*.deb      from :geode:jpackageDeb (Linux only)
#   geode/build/jpackage/*.rpm      from :geode:jpackageRpm (Linux only)
#
# On Windows the flat image is packaged as .zip; every other OS uses tar.gz.
# See the matching comment in collect_cli_assets for the tool-selection order.
#
# Usage: collect_geode_assets <family> <arch> <version> <dest_dir>
collect_geode_assets() {
    local family="$1" arch="$2" version="$3" dest="$4"
    mkdir -p "$dest"
    local abs_dest
    abs_dest="$(cd "$dest" && pwd)"
    shopt -s nullglob

    # 1. Archive the flat app-image into geode-<version>-<family>-<arch>.<ext>.
    #    macOS runners produce only this one. Windows uses .zip; every other
    #    OS uses tar.gz.
    local app_image="geode/build/geode-image/geode"
    if [ -d "$app_image" ]; then
        if [ "$family" = "windows" ]; then
            local zipfile="$abs_dest/$(geode_asset_name "$family" "$arch" "$version" zip)"
            if command -v 7z >/dev/null 2>&1; then
                ( cd "$(dirname "$app_image")" && 7z a -tzip "$zipfile" "$(basename "$app_image")/" >/dev/null )
            elif command -v zip >/dev/null 2>&1; then
                ( cd "$(dirname "$app_image")" && zip -qr "$zipfile" "$(basename "$app_image")" )
            else
                python3 - "$app_image" "$zipfile" <<'PY'
import os, sys, zipfile
src, dst = sys.argv[1], sys.argv[2]
root = os.path.dirname(src)
base = os.path.basename(src)
with zipfile.ZipFile(dst, "w", zipfile.ZIP_DEFLATED) as zf:
    for dirpath, _dirs, files in os.walk(src):
        for f in files:
            p = os.path.join(dirpath, f)
            zf.write(p, os.path.relpath(p, root))
PY
            fi
            echo "Collected: $zipfile"
        else
            local tarball="$abs_dest/$(geode_asset_name "$family" "$arch" "$version" tar.gz)"
            ( cd "$(dirname "$app_image")" && tar czf "$tarball" "$(basename "$app_image")" )
            echo "Collected: $tarball"
        fi
    fi

    # 2. Linux native installers (.deb, .rpm). jpackage writes them directly
    #    to geode/build/jpackage/ with its own naming, so we re-copy under the
    #    canonical scheme.
    local src base ext dst
    for src in \
        geode/build/jpackage/*.deb \
        geode/build/jpackage/*.rpm \
    ; do
        [ -f "$src" ] || continue
        base="$(basename "$src")"
        ext="${base##*.}"
        dst="$abs_dest/$(geode_asset_name "$family" "$arch" "$version" "$ext")"
        cp "$src" "$dst"
        echo "Collected: $dst"
    done
    shopt -u nullglob
}