set shell := ["bash", "-c"]

rootdir := justfile_directory()
xdg_data_dir := `echo "${XDG_DATA_HOME:-$HOME/.local/share}/pinnacle"`
root_xdg_data_dir := "/usr/share/pinnacle"
root_xdg_config_dir := "/etc/xdg/pinnacle"

lua_version := "5.4"

list:
    @just --list --unsorted

# Install the configs, protobuf definitions, and the Lua library (requires Luarocks)
install: install-configs install-protos install-lua-lib install-snowcap

# Install the default Lua and Rust configs
install-configs:
    #!/usr/bin/env bash
    set -euxo pipefail
    default_config_dir="{{xdg_data_dir}}/default_config"
    default_lua_dir="${default_config_dir}/lua"
    default_rust_dir="${default_config_dir}/rust"
    rm -rf "${default_config_dir}"
    mkdir -p "${default_config_dir}"
    cp -r "{{rootdir}}/api/lua/examples/default" "${default_lua_dir}"
    cp -LR "{{rootdir}}/api/rust/examples/default_config/for_copying" "${default_rust_dir}"

# Install the protobuf definitions (only needed for the Lua API)
install-protos:
    #!/usr/bin/env bash
    set -euxo pipefail
    proto_dir="{{xdg_data_dir}}/protobuf"
    rm -rf "${proto_dir}"
    mkdir -p "{{xdg_data_dir}}"
    cp -r "{{rootdir}}/api/protocol" "${proto_dir}"

# Install the Lua library (requires Luarocks)
install-lua-lib: gen-lua-pb-defs
    #!/usr/bin/env bash
    cd "{{rootdir}}/api/lua"
    luarocks build --local https://raw.githubusercontent.com/pinnacle-comp/lua-grpc-client/main/lua-grpc-client-dev-1.rockspec
    luarocks build --local --lua-version "{{lua_version}}"

# Remove installed configs and the Lua API (requires Luarocks)
clean: clean-snowcap
    rm -rf "{{xdg_data_dir}}"
    -luarocks remove --local pinnacle-api
    -luarocks remove --local lua-grpc-client

# [root] Remove installed configs and the Lua API (requires Luarocks)
clean-root:
    rm -rf "{{root_xdg_data_dir}}"
    rm -rf "{{root_xdg_config_dir}}"
    -luarocks remove pinnacle-api

# [root] Install the configs, protobuf definitions, and the Lua library (requires Luarocks)
install-root: install-configs-root install-protos-root install-lua-lib-root

# [root] Install the default Lua and Rust configs
install-configs-root:
    #!/usr/bin/env bash
    set -euxo pipefail
    default_config_dir="{{root_xdg_config_dir}}/default_config"
    default_lua_dir="${default_config_dir}/lua"
    default_rust_dir="${default_config_dir}/rust"
    rm -rf "${default_config_dir}"
    mkdir -p "${default_config_dir}"
    cp -r "{{rootdir}}/api/lua/examples/default" "${default_lua_dir}"
    cp -LR "{{rootdir}}/api/rust/examples/default_config/for_copying" "${default_rust_dir}"

# [root] Install the protobuf definitions (only needed for the Lua API)
install-protos-root:
    #!/usr/bin/env bash
    set -euxo pipefail
    proto_dir="{{root_xdg_data_dir}}/protobuf"
    rm -rf "${proto_dir}"
    mkdir -p "{{root_xdg_data_dir}}"
    cp -r "{{rootdir}}/api/protocol" "${proto_dir}"

# [root] Install the Lua library (requires Luarocks)
install-lua-lib-root:
    #!/usr/bin/env bash
    set -euxo pipefail
    cd "{{rootdir}}/api/lua"
    luarocks make --lua-version "{{lua_version}}"

# Run `cargo build`
build *args: gen-lua-pb-defs
    cargo build {{args}}

# Generate the protobuf definitions Lua file
gen-lua-pb-defs:
    #!/usr/bin/env bash
    set -euxo pipefail
    cargo build --package lua-build
    ./target/debug/lua-build > "./api/lua/pinnacle/grpc/defs.lua"

# Run `cargo run`
run *args: gen-lua-pb-defs
    cargo run {{args}}

# Run `cargo test`
test *args: gen-lua-pb-defs
    cargo test {{args}}

compile-wlcs:
    #!/usr/bin/env bash
    set -euxo pipefail

    WLCS_SHA=26c5a8cfef265b4ae021adebfec90d758c08792e

    cd "{{rootdir}}"

    if [ -f "./wlcs/wlcs" ] && [ "$(cd wlcs; git rev-parse HEAD)" = "${WLCS_SHA}" ] ; then
        echo "WLCS commit 26c5a8c is already compiled"
    else
        echo "Compiling WLCS"
        git clone https://github.com/canonical/wlcs
        cd wlcs || exit
        # checkout a specific revision
        git reset --hard "${WLCS_SHA}"
        cmake -DWLCS_BUILD_ASAN=False -DWLCS_BUILD_TSAN=False -DWLCS_BUILD_UBSAN=False -DCMAKE_EXPORT_COMPILE_COMMANDS=1 .
        make
    fi

wlcs *args: compile-wlcs
    #!/usr/bin/env bash
    set -euxo pipefail
    cargo build -p wlcs_pinnacle
    RUST_BACKTRACE=1 ./wlcs/wlcs target/debug/libwlcs_pinnacle.so {{args}}

install-snowcap:
    #!/usr/bin/env bash
    set -euxo pipefail
    cd "{{rootdir}}/snowcap"
    just install

clean-snowcap:
    #!/usr/bin/env bash
    set -euxo pipefail
    cd "{{rootdir}}/snowcap"
    just clean