#!/bin/sh

# fallback to no config
if [ -z "$HOME/.lenv" ]
then
    echo "_env=dev" > $HOME/.lenv
    echo "_dir=$HOME/src/luakit-dev" >> $HOME/.lenv
fi

# load config
. $HOME/.lenv
_action="$1"
shift

# validation
if [ -z "$_env" ] || [ -z "$_dir" ]
then
    echo "Incomplete environment"
    exit 1
fi
if [ -z "$_action" ]
then
    echo "No action provided"
    exit 1
fi

# now we can start...
echo "luakit-$_env: perform $_action $@ (in $_dir)" | xargs

# change into environment
mkdir -p "$_dir"
_oldpwd="$PWD"
cd "$_dir"

# perform actions
if [ "$_action" == "help" ] || [ "$_action" == "h" ]
then
    echo "usage: l action [args]"
    echo "  actions:"
    echo "      make                    - build luakit"
    echo "      remake                  - make with -j1 (for debugging)"
    echo "      test [test]             - run luakit test suite [specific test]"
    echo "      debug [luakit args]     - start in gdb, stop in main"
    echo "      pr [numbers]            - show [pull] PR from luakit/luakit repo"
    echo "      update                  - update/rebase repository"
    echo "      reset                   - recreate environment ($_dir)"
    echo "      diff file env           - diff file with other environment"
    echo "      update-port             - update openbsd port from last commit"
    echo
    echo " other commands:"
    echo "      ledit                   - edit this script"
    echo "      ldev                    - switch to dev environment"
    echo "      ltest                   - switch to test environment"
    echo "      ltemp                   - switch to temp environment"
    echo "      lsdk                    - switch to sdk environment"
    echo
fi


if [ "$_action" == "test" ]
then
    export G_ENABLE_DIAGNOSTIC=1;
    luajit tests/run_test.lua $@;
fi

if [ "$_action" == "make" ]
then
    set -x
    gmake clean
    gmake options
    gmake -j 8 luakit
    gmake tests/util.so
fi

if [ "$_action" == "remake" ]
then
    gmake -j1 luakit
fi

if [ "$_action" == "debug" ]
then
    egdb -ex "break luakit.c:main" -ex "run $@" ./luakit
fi

if [ "$_action" == "reset" ]
then
    if [ "$_env" == "sdk" ]
    then
        cd /tmp
        rm -rf "$_dir"
        git clone git@github.com:c0dev0id/luakit "$_dir"
        cd "$_dir"
        set -xe
        git remote add upstream git@github.com:luakit/luakit
        git fetch upstream
        git checkout develop
        git rebase upstream/develop
        git switch -c patch
        set +xe
    else
        cd /tmp
        rm -rf "$_dir"
        git clone git@github.com:luakit/luakit "$_dir"
        cd "$_dir"
    fi
fi
if [ "$_action" == "update" ]
then
    set -xe
    if [ "$_env" == "sdk" ]
    then
        git fetch --all
        git checkout develop
        git rebase upstream/develop --autostash
        git checkout -
    else
        git checkout develop
        git fetch --all
        git rebase origin/develop
    fi
    set +xe
fi

if [ "$_action" == "diff" ]
then
    set -x
    f="$(readlink -f $_oldpwd/$1)"
    f="${f#$_dir}"
    vimdiff "$_dir/$f" "${_dir%$_env}$2/$f"
fi

if [ "$_action" == "pr" ]
then
    if [ -n "$1" ]
    then
        for pr in $@
            do gh pr checkout $pr
        done
    else
        gh pr --repo luakit/luakit list $@ | cat
    fi
fi

if [ "$_action" == "update-port" ]
then
    cd /usr/ports/mystuff/www/luakit
    commit="$(basename $(gh browse --repo luakit/luakit -c -n))"
    sed -i "s/^COMMIT =.*/COMMIT = $commit/" Makefile
    make clean=all
    portbump
    make makesum
    make reinstall
fi