#!/usr/bin/env bash

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: ==========================================
:   Introduction
: ==========================================

# This script initializes a local project directory for Data Connect:
#
:   curl -sL https://firebase.tools/init/dataconnect | bash
#
# If you do not want to use this script, follow the manual setup instructions:
# https://firebase.google.com/docs/data-connect/quickstart?userflow=manual#prerequisites
#
# If you only want to install dev tools, see: https://firebase.tools/dataconnect

: -----------------------------------------
:  Uninstalling - default false
: -----------------------------------------

# You can uninstall the dev environment by passing the "uninstall" flag.
#
: curl -sL https://firebase.tools/init/dataconnect | uninstall=true bash
#
# This will remove the Firebase CLI standalone binary some cached files.
# Node/npm won't be touched -- the script neither installs or uninstalls them.

: ==========================================
:   Advanced Usage
: ==========================================

: -----------------------------------------
:  Setup Editor - default: false
: -----------------------------------------

# You can also setup the editor by passing the "editor" flag.
#
: curl -sL https://firebase.tools/init/dataconnect | editor=false bash
#
# This can come handy if you need to edit the GraphQL files locally in your
# project directory. The VS Code extension also allows you to easily run the
# emulators and deploy your local changes.

: ==========================================
:   Source Code
: ==========================================

editor=${editor:-false}
editor_open=false

sorry() {
  echo
  echo "Something went wrong, local dev setup has not been finished."
  echo "Please try manual installation to setup your development environment."
  echo "https://firebase.google.com/docs/data-connect/quickstart?userflow=manual#prerequisites"
  echo

  exit 1
}

CACHE_DIR=$HOME/.cache
mkdir -p "$CACHE_DIR" || sorry
SCRIPT_FILE="$CACHE_DIR/fdc-install.sh"
curl -fsSL "https://firebase.tools/dataconnect" -o "$SCRIPT_FILE" || sorry
source "$SCRIPT_FILE"

PROJECT_DIR="."
if [ "$(pwd -P)" = "$HOME" ]; then
  # We don't want to run firebase init in the home directory since it will dump
  # project files into the home directory.
  PROJECT_DIR="${FIREBASE_PROJECT:-my-project}-$(date +%Y%m%d-%H%M%S)"
  mkdir -p "$PROJECT_DIR" || sorry
  echo "-- Created project directory $PROJECT_DIR (feel free to rename it later)"
  cd "$PROJECT_DIR"
fi

("$FIREBASE_BINARY" login && "$FIREBASE_BINARY" init dataconnect) </dev/tty || sorry

echo '-- Successfully configured and generated SDK!'

README=
for f in dataconnect-generated/*/*/*/README.md dataconnect-generated/*/*/README.md; do
  if [ -f "$f" ]; then
    README="$f"
    break
  fi
done
if [ "$README"x != ""x ]; then
  echo "-- To use it in your app, see: $PROJECT_DIR/$README"
elif [ "$PROJECT_DIR" != "." ]; then
  # When this script ends, the parent shell is still in the previous directory.
  # Therefore, let's tell the user where the project directory is.
  echo "-- Note: Your project has been downloaded to the directory: $PROJECT_DIR"
fi

if [ "$editor" = "true" ]; then
  open_editor "$README"
fi

# ------------------------------------------
#   Notes
# ------------------------------------------
#
# This script contains hidden JavaScript which is used to improve
# readability in the browser (via syntax highlighting, etc), right-click
# and "View source" of this page to see the entire bash script!
#
# You'll also notice that we use the ":" character in the Introduction
# which allows our copy/paste commands to be syntax highlighted, but not
# ran. In bash : is equal to `true` and true can take infinite arguments
# while still returning true. This turns these commands into no-ops so
# when ran as a script, they're totally ignored.
#