#!/usr/bin/env bash
set -euo pipefail

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

case "$(uname -s)" in
    Linux) ;;
    *) echo "wrong platform: $(uname -s) — use cargo xtask install" >&2; exit 1;;
esac

STAGE="$ROOT/build/bin/com.jesshunter.layers"
PLUGIN_ID="com.jesshunter.layers"

# Installs into every existing KiCad >=10 plugins dir — native and flatpak.
# Does not mkdir kicad/<ver>/plugins; KiCad creates it on first launch.
install_to_kicad_root() {
    local kicad_root="$1"
    [ -d "$kicad_root" ] || return 1
    local installed=0
    for ver_dir in "$kicad_root"/*/; do
        local ver
        ver="$(basename "$ver_dir")"
        [[ "$ver" =~ ^([0-9]+)\.0$ ]] || continue
        (( ${BASH_REMATCH[1]} >= 10 )) || continue
        local plugins_dir="${ver_dir}plugins"
        [ -d "$plugins_dir" ] || continue

        local target="$plugins_dir/$PLUGIN_ID"
        rm -rf "$target/bin" "$target/resources" "$target/plugin.json" "$target/LICENCE"
        mkdir -p "$target/bin" "$target/resources"
        cp -R "$STAGE/bin/." "$target/bin/"
        [ -f "$STAGE/plugin.json" ] && cp "$STAGE/plugin.json" "$target/plugin.json"
        [ -f "$STAGE/LICENCE" ] && cp "$STAGE/LICENCE" "$target/LICENCE"
        cp -R "$STAGE/resources/." "$target/resources/"
        echo "installed: $target"
        installed=1
    done
    return $((1 - installed))
}

NATIVE_ROOT="${XDG_DATA_HOME:-$HOME/.local/share}/kicad"
FLATPAK_ROOT="$HOME/.var/app/org.kicad.KiCad/data/kicad"

ok=0

# Native install: build with the front-end matching the host's WM (build.sh
# autodetects unless LAYERS_FEATURES is set).
if [ -d "$NATIVE_ROOT" ]; then
    bash "$ROOT/scripts/linux/build.sh"
    install_to_kicad_root "$NATIVE_ROOT" && ok=1 || true
fi

# Flatpak install: force the X11 front-end. 
if [ -d "$FLATPAK_ROOT" ]; then
    LAYERS_FEATURES=x11 bash "$ROOT/scripts/linux/build.sh"
    install_to_kicad_root "$FLATPAK_ROOT" && ok=1 || true
fi

if [ "$ok" -eq 0 ]; then
    echo "no KiCad 10+ install detected. checked:" >&2
    echo "  $NATIVE_ROOT/<ver>/plugins/" >&2
    echo "  $FLATPAK_ROOT/<ver>/plugins/" >&2
    echo "launch KiCad once first so it creates its data dirs, then re-run." >&2
    exit 1
fi