#!/bin/bash

set -e

CRATE=tmux-backup
MSRV=1.95

get_rust_version() {
  local array=($(rustc --version));
  echo "${array[1]}";
  return 0;
}
RUST_VERSION=$(get_rust_version)

check_version() {
  IFS=. read -ra rust <<< "$RUST_VERSION"
  IFS=. read -ra want <<< "$1"
  [[ "${rust[0]}" -gt "${want[0]}" ||
   ( "${rust[0]}" -eq "${want[0]}" &&
     "${rust[1]}" -ge "${want[1]}" )
  ]]
}

echo "Testing $CRATE on rustc $RUST_VERSION"
if ! check_version $MSRV ; then
  echo "The minimum for $CRATE is rustc $MSRV"
  exit 1
fi

FEATURES=()
echo "Testing supported features: ${FEATURES[*]}"

NEXTEST_PROFILE=""
if [ -n "$CI" ]; then
  NEXTEST_PROFILE="--profile ci"
fi

set -x

# test the default
cargo build --locked
cargo nextest run --locked $NEXTEST_PROFILE

# test `no_std`
cargo build --locked --no-default-features
cargo nextest run --locked $NEXTEST_PROFILE --no-default-features

# test each isolated feature, with and without std
for feature in "${FEATURES[@]}"; do
  # cargo build --locked --no-default-features --features="std $feature"
  # cargo nextest run --locked $NEXTEST_PROFILE --no-default-features --features="std $feature"

  cargo build --locked --no-default-features --features="$feature"
  cargo nextest run --locked $NEXTEST_PROFILE --no-default-features --features="$feature"
done

# test all supported features, with and without std
# cargo build --locked --features="std ${FEATURES[*]}"
# cargo nextest run --locked $NEXTEST_PROFILE --features="std ${FEATURES[*]}"

cargo build --locked --features="${FEATURES[*]}"
cargo nextest run --locked $NEXTEST_PROFILE --features="${FEATURES[*]}"

# doc tests (not supported by nextest)
cargo test --locked --doc

# CLI smoke test (release binary). CARGO_BUILD_TARGET (set in the compat
# matrix) redirects output to target/<target>/release; Git Bash on Windows
# reports OSTYPE=msys.
cargo build --locked --release

BIN="target/${CARGO_BUILD_TARGET:+${CARGO_BUILD_TARGET}/}release/tmux-backup"
case "${OSTYPE:-}" in
  msys*|cygwin*) BIN="${BIN}.exe" ;;
esac
"${BIN}" --help