#!/usr/bin/env nu
let timeStamps = $"($env.XDG_DATA_HOME)/stamps.csv"

# Documentation for main
def main [] {
    "this is a pipeline function that does nothing on it's own"
}

def "main diff" [] {
    let fileContent = open $timeStamps
    let latestStart = ($fileContent | where event == Start | last).date | into datetime
    let latestStop = ($fileContent | where event == Stop | last).date | into datetime

    let comparewith = if $latestStart > $latestStop {
        date now
    } else {
        $latestStop
    }
    $comparewith - $latestStart
}

# Documentation for "main view"
def "main view" [] {
    echo $timeStamps
    open $timeStamps
}

# Documentation for "main init"
def "main init" [] {
    echo "date,event\n" | save --append $timeStamps
}

# Documentation for add_stamp
def add_stamp [event: string # Event name
    ] {
    echo $"(date now | debug),($event)\n" | save --append $timeStamps
}

# Add "Start" event to timestamps
def "main start" [ ] {
    add_stamp "Start"
}

# Add "Stop" event to timestamps
def "main stop" [] {
    add_stamp "Stop"
}