#!/usr/bin/env bash

set -euo pipefail

##
# @license
# Copyright 2021 Google LLC
# SPDX-License-Identifier: Apache-2.0
##

# 1) Builds Lighthouse bundle for DevTools
# 2) Rolls to local devtools repo. By default, this is the temporary checkout in .tmp
# 3) Builds devtools frontend with new Lighthouse roll
#
# Run `bash core/test/devtools-tests/setup.sh` first to update the temporary devtools checkout.
# Specify `$DEVTOOLS_PATH` to use a different devtools repo.
# Specify `$BUILD_FOLDER` to use a build other than 'LighthouseIntegration' (ex: Default).

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
LH_ROOT="$SCRIPT_DIR/../.."
TEST_DIR="$LH_ROOT/.tmp/chromium-web-tests"
DEFAULT_DEVTOOLS_PATH="$TEST_DIR/devtools/devtools-frontend"
DEVTOOLS_PATH=${DEVTOOLS_PATH:-"$DEFAULT_DEVTOOLS_PATH"}
BUILD_FOLDER="${BUILD_FOLDER:-LighthouseIntegration}"
CI="${CI:-}"

echo "DEVTOOLS_PATH: $DEVTOOLS_PATH"

if [ ! -d "$DEVTOOLS_PATH" ]; then
  echo "No devtools found at $DEVTOOLS_PATH."
  if [ "$DEVTOOLS_PATH" = "$DEFAULT_DEVTOOLS_PATH" ]; then
    echo "Have you run 'yarn test-devtools' yet?"
  fi

  exit 1
fi

if ! which gn ; then
  # If the contributor doesn't have a separate depot tools in their path, use the tmp copy.
  DEPOT_TOOLS_PATH="$TEST_DIR/depot-tools"
  export PATH=$DEPOT_TOOLS_PATH:$PATH
fi

yarn devtools "$DEVTOOLS_PATH"

cd "$DEVTOOLS_PATH"
if [[ "$CI" ]]; then
  gn gen "out/$BUILD_FOLDER" --args='is_debug=false'
else
  gn gen "out/$BUILD_FOLDER" --args='is_debug=true devtools_skip_typecheck=true'
fi
gclient sync
autoninja -C "out/$BUILD_FOLDER"