autoload -U add-zsh-hook
add-zsh-hook zshaddhistory _hishtory_add
add-zsh-hook precmd _hishtory_precmd

_hishtory_first_prompt=1

function _hishtory_add() {
    # Runs after <ENTER>, but before the command is executed
    # $1 contains the command that was run 
    _hishtory_command=$1
    _hishtory_start_time=`date +%s`
}

function _hishtory_precmd() {
    # Runs after the command is executed in order to render the prompt
    # $? contains the exit code 
    _hishtory_exit_code=$?
    if [ -n "$_hishtory_first_prompt" ]; then
        unset _hishtory_first_prompt
        return
    fi
    (hishtory saveHistoryEntry zsh $_hishtory_exit_code "$_hishtory_command" $_hishtory_start_time &)  # Background Run
    # hishtory saveHistoryEntry zsh $_hishtory_exit_code "$_hishtory_command" $_hishtory_start_time  # Foreground Run
}

_hishtory_widget() {
    BUFFER=$(hishtory tquery $BUFFER | tr -d '\n')
    CURSOR=${#BUFFER}
    zle reset-prompt
}

_hishtory_bind_control_r() {
    zle     -N   _hishtory_widget
    bindkey '^R' _hishtory_widget
}

[ "$(hishtory config-get enable-control-r)" = true ] && _hishtory_bind_control_r