# Copyright 2015 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#

shell_import utils/aosp_dir.shi
shell_import utils/option_parser.shi

# Default location of prebuilts directory.
DEFAULT_PREBUILTS_DIR=/tmp/$USER-emulator-prebuilts

prebuilts_dir_register_option () {
    OPT_PREBUILTS_DIR=
    option_register_var "--prebuilts-dir=<dir>" OPT_PREBUILTS_DIR \
            "Specify prebuilts root directory [$DEFAULT_PREBUILTS_DIR]"
}

prebuilts_dir_parse_option () {
    if [ "$OPT_PREBUILTS_DIR" ]; then
        PREBUILTS_DIR=$OPT_PREBUILTS_DIR
        log "Using prebuilts dir: $PREBUILTS_DIR"
    elif [ "$ANDROID_EMULATOR_PREBUILTS_DIR" ]; then
        PREBUILTS_DIR=$ANDROID_EMULATOR_PREBUILTS_DIR
        log "Auto-config: --prebuilts-dir=$PREBUILTS_DIR  [environment]"
    else
        local AOSP_TOP
        AOSP_TOP=$(aosp_find_top_dir_from "$(program_directory)")
        if [ -z "$AOSP_TOP" ]; then
            panic "Could not find AOSP top-level directory. Please use --prebuilts-dir=<dir>."
        fi
        PREBUILTS_DIR=$AOSP_TOP/prebuilts/android-emulator-build
        if [ ! -d "$PREBUILTS_DIR" ]; then
            panic "Missing directory, please use --prebuilts-dir=<dir>: [$PREBUILTS_DIR]"
        fi
        log "Auto-config: --prebuilts-dir=$PREBUILTS_DIR  [default]"
    fi
}