#!/bin/bash
set -euo pipefail

# Standalone macOS launcher. No system Java install, sudo, or account tokens.
SOURCE_COMMIT='03ac7fa5864429f5e8719097f41cb7e2eebfc5a4'
SOURCE_SHA256='b90def96d4b337cd6463336e21aa3b0750180c9f0a9d5ac090c25158bb058c84'
SOURCE_URL="https://codeload.github.com/11jfreeman11/OSRS-Bank-Slot-Borders/zip/$SOURCE_COMMIT"
DATA_DIR="${BANK_GRID_DATA_DIR:-$HOME/Library/Application Support/BankSlotBorders}"

on_exit() {
    result=$?
    if [ "$result" -ne 0 ]; then
        printf '\nSetup or launch failed. Files are kept in:\n%s\n' "$DATA_DIR" >&2
        printf 'Share the error above with the author; never share login codes or account tokens.\n' >&2
        if [ -t 0 ]; then read -r -p 'Press Return to close this window. ' ignored || true; fi
    fi
}
trap on_exit EXIT

verified_download() {
    local url="$1" destination="$2" expected="$3" actual
    if [ -f "$destination" ]; then
        actual=$(/usr/bin/shasum -a 256 "$destination" | /usr/bin/awk '{print $1}')
        if [ "$actual" = "$expected" ]; then return; fi
        printf 'Cached file failed verification: %s. Rename it and retry.\n' "$destination" >&2
        return 1
    fi
    /usr/bin/curl --fail --location --retry 3 --proto '=https' --tlsv1.2 "$url" -o "$destination.part"
    actual=$(/usr/bin/shasum -a 256 "$destination.part" | /usr/bin/awk '{print $1}')
    if [ "$actual" != "$expected" ]; then
        printf 'Download failed its SHA-256 check; it will not be used.\n' >&2
        return 1
    fi
    /bin/mv -f "$destination.part" "$destination"
}

if [ "$(/usr/bin/uname -s)" != 'Darwin' ]; then
    printf 'This launcher is for macOS. Use the Windows download on Windows.\n' >&2
    exit 1
fi
MAC_ARCH=$(/usr/bin/uname -m)
# Detect Apple hardware even if Terminal itself is running under Rosetta.
if [ "$MAC_ARCH" = 'arm64' ] || [ "$(/usr/sbin/sysctl -n hw.optional.arm64 2>/dev/null || true)" = '1' ]; then
    JAVA_ARCH='aarch64'
    JAVA_SHA256='c487a1c3a56588b3a32d0d07cdd526bf3d401c4b8422be772ca178bfcd647f3f'
elif [ "$MAC_ARCH" = 'x86_64' ]; then
    JAVA_ARCH='x64'
    JAVA_SHA256='03de26f0d11ec3e6365e0352d9fcfaff447be35a2b2f36ee1ffb6063980343f5'
else
    printf 'Unsupported Mac architecture: %s\n' "$MAC_ARCH" >&2
    exit 1
fi
JAVA_URL="https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.32.1%2B1/OpenJDK11U-jdk_${JAVA_ARCH}_mac_hotspot_11.0.32.1_1.tar.gz"
CACHE="$DATA_DIR/downloads"
RUNTIME="$DATA_DIR/temurin-11.0.32.1-$JAVA_ARCH"
SOURCE="$DATA_DIR/src-$SOURCE_COMMIT"
/bin/mkdir -p "$CACHE" "$RUNTIME" "$SOURCE"
printf '\nBANK SLOT BORDERS - Mac community test client\n'
printf 'Selected Java architecture: %s\n' "$JAVA_ARCH"
printf 'First start downloads Java, plugin source, Gradle and RuneLite. Keep this window open.\n\n'

printf '[1/3] Checking portable Java (about 185 MB on first start)...\n'
JAVA_ARCHIVE="$CACHE/temurin11-mac-$JAVA_ARCH.tar.gz"
verified_download "$JAVA_URL" "$JAVA_ARCHIVE" "$JAVA_SHA256"
JAVA_HOME="$RUNTIME/jdk-11.0.32.1+1/Contents/Home"
if [ ! -f "$RUNTIME/ready.txt" ]; then
    /usr/bin/tar -xzf "$JAVA_ARCHIVE" -C "$RUNTIME"
    test -x "$JAVA_HOME/bin/java"
    printf '%s\n' "$JAVA_SHA256" > "$RUNTIME/ready.txt"
fi
if [ ! -x "$JAVA_HOME/bin/java" ]; then
    printf 'Java is missing or not executable. Please report this error to the author.\n' >&2
    exit 1
fi
export JAVA_HOME
export PATH="$JAVA_HOME/bin:$PATH"
export GRADLE_USER_HOME="$DATA_DIR/gradle"

printf '[2/3] Checking the published plugin source...\n'
SOURCE_ARCHIVE="$CACHE/$SOURCE_COMMIT.zip"
verified_download "$SOURCE_URL" "$SOURCE_ARCHIVE" "$SOURCE_SHA256"
PROJECT="$SOURCE/OSRS-Bank-Slot-Borders-$SOURCE_COMMIT"
if [ ! -f "$SOURCE/ready.txt" ]; then
    /usr/bin/unzip -q -o "$SOURCE_ARCHIVE" -d "$SOURCE"
    test -f "$PROJECT/gradlew"
    printf '%s\n' "$SOURCE_COMMIT" > "$SOURCE/ready.txt"
fi
if [ "${BANK_GRID_PREPARE_ONLY:-0}" = '1' ]; then
    printf 'Preparation complete. RuneLite was not launched.\n'
    exit 0
fi
printf '[3/3] Building and opening RuneLite...\n'
printf 'Enable Bank Slot Borders in plugin settings.\n'
printf 'Jagex accounts: use the Jagex auth sidebar > Add Jagex Account, select a character, then Play Now.\n'
cd "$PROJECT"
/bin/bash ./gradlew run --no-daemon