targets := "arm-unknown-linux-gnueabi armv7-unknown-linux-gnueabihf x86_64-unknown-linux-gnu x86_64-unknown-linux-musl thumbv6m-none-eabi thumbv7em-none-eabi thumbv7em-none-eabihf thumbv7m-none-eabi"
target_dir := "target"

#----------
# Building
#----------

build: check-formatting test build-benches check-readme check-links

# Build the benches
build-benches:
    cargo bench --no-run

# Run cargo test in release mode
test:
    cargo test --release

# Check the formatting
check-formatting:
    cargo fmt --all -- --check

# Cross compiles tinybmp for a target
build-target target *args:
    cargo build --target {{target}} {{args}}

# Cross compiles tinybmp for all targets
build-targets *args:
    #!/usr/bin/env bash
    set -e
    for target in {{targets}}; do just build-target $target {{args}}; done

# Install all targets used in the `build-targets` command
install-targets:
    #!/usr/bin/env bash
    set -e

    sysroot=$(rustc --print sysroot)

    for target in {{targets}}; do
      if [[ ! "$sysroot" =~ "$target" ]]; then
        rustup target add $target
      else
        echo "Target $target is already installed"
      fi
    done

#------
# Docs
#------

# Generates the docs
generate-docs:
    cargo clean --doc
    cargo doc --all-features

# Checks for broken links in cargo docs and readme
check-links: check-doc-links check-readme-links

# Checks for broken links in cargo docs
check-doc-links: generate-docs
    cargo deadlinks --ignore-fragments

# Checks for broken links in readme
check-readme-links: check-readme
    cd tools/check-md-refs && cargo run -- '../../README.md'
    lychee --exclude=circleci.com --verbose --exclude='LICENSE*' -- './**/README.md'

#----------------------
# README.md generation
# ---------------------

# Generate README.md for a single crate
generate-readme: (_build-readme)
    cp {{target_dir}}/README.md README.md

# Check README.md for a single crate
@check-readme: (_build-readme)
    #!/usr/bin/env bash
    set -euo pipefail
    diff -q {{target_dir}}/README.md README.md || ( \
        echo -e "\033[1;31mError:\033[0m README.md needs to be regenerated."; \
        echo -e "       Run 'just generate-readme' to regenerate.\n"; \
        exit 1 \
    )

# Builds README.md for a single crate
_build-readme:
    #!/usr/bin/env bash
    set -e -o pipefail
    mkdir -p {{target_dir}}/readme
    echo "Building README.md"
    cargo readme | sed -E -f filter_readme.sed > {{target_dir}}/README.md