#!/bin/bash
set -eox pipefail

RUSTC_MINOR_VERSION=$(rustc --version | awk '{ split($2,a,"."); print a[2] }')
HOST_PLATFORM="$(rustc --version --verbose | grep "host:" | awk '{ print $2 }')"

# Some crates require pinning to meet our MSRV even for our downstream users,
# which we do here.
# Further crates which appear only as dev-dependencies are pinned further down.
function PIN_RELEASE_DEPS {
	# Starting with version 1.39.0, the `tokio` crate has an MSRV of rustc 1.70.0
	[ "$RUSTC_MINOR_VERSION" -lt 70 ] && cargo update -p tokio --precise "1.38.1" --verbose

	# Starting with version 0.7.12, the `tokio-util` crate has an MSRV of rustc 1.70.0
	[ "$RUSTC_MINOR_VERSION" -lt 70 ] && cargo update -p tokio-util --precise "0.7.11" --verbose

	# url 2.5.3 switched to idna 1.0.3 and ICU4X, which requires rustc 1.67 or newer.
	# Here we opt to keep using unicode-rs by pinning idna_adapter as described here: https://docs.rs/crate/idna_adapter/1.2.0
	[ "$RUSTC_MINOR_VERSION" -lt 67 ] && cargo update -p idna_adapter --precise "1.1.0" --verbose

	# indexmap 2.6.0 upgraded to hashbrown 0.15, which unfortunately bumped their MSRV to rustc 1.65 with the 0.15.1 release (and 2.7.0 was released since).
	[ "$RUSTC_MINOR_VERSION" -lt 65 ] && cargo update -p indexmap@2.7.0 --precise "2.5.0" --verbose

	return 0 # Don't fail the script if our rustc is higher than the last check
}

PIN_RELEASE_DEPS # pin the release dependencies in our main workspace

# Starting with version 1.10.0, the `regex` crate has an MSRV of rustc 1.65.0.
[ "$RUSTC_MINOR_VERSION" -lt 65 ] && cargo update -p regex --precise "1.9.6" --verbose

# The addr2line v0.21 crate (a dependency of `backtrace` starting with 0.3.69) relies on rustc 1.65
[ "$RUSTC_MINOR_VERSION" -lt 65 ] && cargo update -p backtrace --precise "0.3.68" --verbose

# Starting with version 0.5.9 (there is no .6-.8), the `home` crate has an MSRV of rustc 1.70.0.
[ "$RUSTC_MINOR_VERSION" -lt 70 ] && cargo update -p home --precise "0.5.5" --verbose

export RUST_BACKTRACE=1

echo -e "\n\nChecking the full workspace."
cargo check --verbose --color always

# When the workspace members change, make sure to update the list here as well
# as in `Cargo.toml`.
WORKSPACE_MEMBERS=(
	lightning
	lightning-types
	lightning-block-sync
	lightning-invoice
	lightning-net-tokio
	lightning-persister
	lightning-background-processor
	lightning-rapid-gossip-sync
	lightning-custom-message
	lightning-transaction-sync
	lightning-macros
	lightning-dns-resolver
	possiblyrandom
)

echo -e "\n\nChecking, testing, and building docs for all workspace members individually..."
for DIR in "${WORKSPACE_MEMBERS[@]}"; do
	cargo test -p "$DIR" --verbose --color always
	cargo check -p "$DIR" --verbose --color always
	cargo doc -p "$DIR" --document-private-items
done

echo -e "\n\nChecking and testing Block Sync Clients with features"

cargo test -p lightning-block-sync --verbose --color always --features rest-client
cargo check -p lightning-block-sync --verbose --color always --features rest-client
cargo test -p lightning-block-sync --verbose --color always --features rpc-client
cargo check -p lightning-block-sync --verbose --color always --features rpc-client
cargo test -p lightning-block-sync --verbose --color always --features rpc-client,rest-client
cargo check -p lightning-block-sync --verbose --color always --features rpc-client,rest-client
cargo test -p lightning-block-sync --verbose --color always --features rpc-client,rest-client,tokio
cargo check -p lightning-block-sync --verbose --color always --features rpc-client,rest-client,tokio

if [[ "$HOST_PLATFORM" != *windows* ]]; then
	echo -e "\n\nChecking Transaction Sync Clients with features."
	cargo check -p lightning-transaction-sync --verbose --color always --features esplora-blocking
	cargo check -p lightning-transaction-sync --verbose --color always --features esplora-async
	cargo check -p lightning-transaction-sync --verbose --color always --features esplora-async-https
	cargo check -p lightning-transaction-sync --verbose --color always --features electrum

	if [ -z "$CI_ENV" ] && [[ -z "$BITCOIND_EXE" || -z "$ELECTRS_EXE" ]]; then
		echo -e "\n\nSkipping testing Transaction Sync Clients due to BITCOIND_EXE or ELECTRS_EXE being unset."
		cargo check -p lightning-transaction-sync --tests
	else
		echo -e "\n\nTesting Transaction Sync Clients with features."
		cargo test -p lightning-transaction-sync --verbose --color always --features esplora-blocking
		cargo test -p lightning-transaction-sync --verbose --color always --features esplora-async
		cargo test -p lightning-transaction-sync --verbose --color always --features esplora-async-https
		cargo test -p lightning-transaction-sync --verbose --color always --features electrum
	fi
fi

echo -e "\n\nTest futures builds"
cargo test -p lightning-background-processor --verbose --color always --features futures
cargo test -p lightning-background-processor --verbose --color always --features futures --no-default-features

echo -e "\n\nTest Custom Message Macros"
cargo test -p lightning-custom-message --verbose --color always
[ "$CI_MINIMIZE_DISK_USAGE" != "" ] && cargo clean

echo -e "\n\nTest backtrace-debug builds"
cargo test -p lightning --verbose --color always --features backtrace

echo -e "\n\nTesting no_std builds"
for DIR in lightning-invoice lightning-rapid-gossip-sync; do
	cargo test -p $DIR --verbose --color always --no-default-features
done

cargo test -p lightning --verbose --color always --no-default-features

echo -e "\n\nTesting c_bindings builds"
# Note that because `$RUSTFLAGS` is not passed through to doctest builds we cannot selectively
# disable doctests in `c_bindings` so we skip doctests entirely here.
RUSTFLAGS="$RUSTFLAGS --cfg=c_bindings" cargo test --verbose --color always --lib --bins --tests

for DIR in lightning-invoice lightning-rapid-gossip-sync; do
	# check if there is a conflict between no_std and the c_bindings cfg
	RUSTFLAGS="$RUSTFLAGS --cfg=c_bindings" cargo test -p $DIR --verbose --color always --no-default-features
done

# Note that because `$RUSTFLAGS` is not passed through to doctest builds we cannot selectively
# disable doctests in `c_bindings` so we skip doctests entirely here.
RUSTFLAGS="$RUSTFLAGS --cfg=c_bindings" cargo test -p lightning-background-processor --verbose --color always --features futures --no-default-features --lib --bins --tests
RUSTFLAGS="$RUSTFLAGS --cfg=c_bindings" cargo test -p lightning --verbose --color always --no-default-features --lib --bins --tests

echo -e "\n\nTesting other crate-specific builds"
# Note that outbound_commitment_test only runs in this mode because of hardcoded signature values
RUSTFLAGS="$RUSTFLAGS --cfg=ldk_test_vectors" cargo test -p lightning --verbose --color always --no-default-features --features=std
# This one only works for lightning-invoice
# check that compile with no_std and serde works in lightning-invoice
cargo test -p lightning-invoice --verbose --color always --no-default-features --features serde

echo -e "\n\nTesting no_std build on a downstream no-std crate"
# check no-std compatibility across dependencies
pushd no-std-check
cargo check --verbose --color always --features lightning-transaction-sync
[ "$CI_MINIMIZE_DISK_USAGE" != "" ] && cargo clean
popd

# Test that we can build downstream code with only the "release pins".
pushd msrv-no-dev-deps-check
PIN_RELEASE_DEPS
cargo check
[ "$CI_MINIMIZE_DISK_USAGE" != "" ] && cargo clean
popd

if [ -f "$(which arm-none-eabi-gcc)" ]; then
	pushd no-std-check
	cargo build --target=thumbv7m-none-eabi
	[ "$CI_MINIMIZE_DISK_USAGE" != "" ] && cargo clean
	popd
fi

echo -e "\n\nTest cfg-flag builds"
RUSTFLAGS="--cfg=taproot" cargo test --verbose --color always -p lightning
[ "$CI_MINIMIZE_DISK_USAGE" != "" ] && cargo clean
RUSTFLAGS="--cfg=async_signing" cargo test --verbose --color always -p lightning
[ "$CI_MINIMIZE_DISK_USAGE" != "" ] && cargo clean
RUSTFLAGS="--cfg=splicing" cargo test --verbose --color always -p lightning
[ "$CI_MINIMIZE_DISK_USAGE" != "" ] && cargo clean
RUSTFLAGS="--cfg=async_payments" cargo test --verbose --color always -p lightning