#!/bin/bash
# CBE Platform - launcher script
# Usage: ./run.sh build     - rebuild all jars
#        ./run.sh compile   - compile example .cbeplugin files
#        ./run.sh os        - boot the full OS from disk (big-disk.cbeplugin)
#        ./run.sh nogui     - run emulator in headless mode
#        ./run.sh           - run emulator with GUI window (basic, no disk)

set -e
cd "$(dirname "$0")"

GUI_JAR="modules/gui/build/libs/gui-0.1.0.jar"
LOADER_JAR="modules/loader/build/libs/loader-0.1.0.jar"
CORE_JAR="modules/core/build/libs/core-0.1.0.jar"
CBECC_JAR="modules/cbecc/build/libs/cbecc-0.1.0.jar"
EMU_CP="$GUI_JAR:$LOADER_JAR:$CORE_JAR"
BUILD_CP="$CBECC_JAR:$LOADER_JAR:$CORE_JAR"

build() {
    ./gradlew build --no-daemon -q
}

compile_plugins() {
    mkdir -p build
    for src in examples/*/; do
        full=$(basename "$src")
        name="${full%.*}"
        out="build/${name}.cbeplugin"
        if [ ! -f "$out" ]; then
            java -cp "$BUILD_CP" com.cbe.cbecc.Main build "$src" -o "$out" 2>&1 | tail -1
        fi
    done
}

# Common JVM flags for all emulator runs
EMU_FLAGS="-Djava.awt.headless=true"

case "${1:-gui}" in
    build)
        build
        ;;
    compile)
        compile_plugins
        ;;
    jar)
        ./gradlew :modules:gui:stage --no-daemon -q
        echo "Jar: modules/gui/build/stage/cbe-emu.jar"
        echo "Run: java -jar modules/gui/build/stage/cbe-emu.jar --nogui --cpu <file>"
        ;;
    os)
        # Full OS mode: disk + all peripherals
        compile_plugins
        java $EMU_FLAGS -cp "$EMU_CP" com.cbe.gui.Main \
            --cpu build/tiny-cpu.cbeplugin \
            --ram build/basic-ram.cbeplugin \
            --gpu build/vga-display.cbeplugin \
            --kbd build/basic-kbd.cbeplugin \
            --snd build/basic-snd.cbeplugin \
            --bios build/tiny-bios.cbeplugin \
            --disk build/big-disk.cbeplugin
        ;;
    nogui)
        # Headless OS mode
        compile_plugins
        java $EMU_FLAGS -cp "$EMU_CP" com.cbe.gui.Main \
            --cpu build/tiny-cpu.cbeplugin \
            --ram build/basic-ram.cbeplugin \
            --gpu build/vga-display.cbeplugin \
            --kbd build/basic-kbd.cbeplugin \
            --snd build/basic-snd.cbeplugin \
            --bios build/tiny-bios.cbeplugin \
            --disk build/big-disk.cbeplugin --nogui
        ;;
    gui|*)
        # Basic GUI: minimal modules (no disk, for testing)
        compile_plugins
        java -cp "$EMU_CP" com.cbe.gui.Main \
            --cpu build/tiny-cpu.cbeplugin \
            --ram build/basic-ram.cbeplugin \
            --gpu build/vga-display.cbeplugin
        ;;
esac