#!/usr/bin/env bats

load "./test_helper"

setup() {
  export DCTLENV_TMPDIR="$BATS_TMPDIR/dctlenv"
  export DCTLENV_TMPDIR="$(mktemp -d "$DCTLENV_TMPDIR.XXX" 2>/dev/null || echo "$DCTLENV_TMPDIR")"
  export DCTLENV_ROOT="$DCTLENV_TMPDIR"

  dctlenv-list-remote() {
    echo "0.1.0
0.1.1
0.2.0
0.2.1
0.2.2
0.2.3
0.3.0
0.3.1"
  }
  export -f dctlenv-list-remote;
}

@test "dctlenv install [<version>]: prints an error message if we try to install more than one version" {
  run dctlenv install 0.3.1 0.3.0

  assert_failure
  assert_output 'usage: dctlenv install [<version>]'
}

@test "dctlenv install [<version>]: prints an error message if there is no version to install" {
  run dctlenv install

  assert_failure
  assert_output 'usage: dctlenv install [<version>]'
}

@test "dctlenv install [<version>]: prints an error message if the version requested doesn't exist" {
  run dctlenv install 0.0.0

  assert_failure
  assert_output 'No version 0.0.0 found in remote'
}

@test "dctlenv install [<version>]: prints a message when the version is already installed" {
  mkdir -p "$DCTLENV_TMPDIR/versions/0.3.1"
  touch "$DCTLENV_TMPDIR/versions/0.3.1/driftctl"

  run dctlenv install 0.3.1

  assert_success
  assert_output 'driftctl v0.3.1 is already installed'
}

@test "dctlenv install [<version>]: prints an error message if it failed to download the tarball" {
  curlw() { exit 1; }; export -f curlw;
  uname() { echo "Linux"; }; export -f uname;

  run dctlenv install 0.3.1

  assert_failure
  assert_output <<OUT
Installing driftctl v0.3.1
Downloading release tarball from https://github.com/cloudskiff/driftctl/releases/download/v0.3.1/driftctl_linux_amd64
Tarball download failed
OUT
}

@test "dctlenv install [<version>]: prints an error message if it failed to make the binary executable" {
  chmod() { exit 1; }; export -f chmod;
  curlw() { exit 0; }; export -f curlw;
  uname() { echo "Linux"; }; export -f uname;

  run dctlenv install 0.3.1

  assert_failure
  assert_output <<OUT
Installing driftctl v0.3.1
Downloading release tarball from https://github.com/cloudskiff/driftctl/releases/download/v0.3.1/driftctl_linux_amd64
Making the $DCTLENV_ROOT/versions/0.3.1/driftctl binary executable
Fail to make the binary executable
OUT
}

@test "dctlenv install [<version>]: prints a success message at the end of the install" {
  chmod() { exit 0; }; export -f chmod;
  curlw() { exit 0; }; export -f curlw;
  uname() { echo "Linux"; }; export -f uname;

  run dctlenv install 0.3.1

  assert_success
  assert_output <<OUT
Installing driftctl v0.3.1
Downloading release tarball from https://github.com/cloudskiff/driftctl/releases/download/v0.3.1/driftctl_linux_amd64
Making the $DCTLENV_ROOT/versions/0.3.1/driftctl binary executable
Installation of driftctl v0.3.1 successful. To make this your default version, run 'dctlenv use 0.3.1'
OUT
}

teardown() {
  rm -rf "$DCTLENV_TMPDIR"
}