#!/bin/bash

date_to_load=${1}

DockerRegistry=cloud21.cvtt.vpn:5500
DockerImage=${DockerRegistry}/alpaca_md_day #:latest
LastDayFile=/home/cvtt/prod/logs/last_alpaca_hist_day
ContainerName=alpaca_md_day

is_container_running() {
    local container_name=$1

    if [ "$(docker ps --filter "name=^/${container_name}$" --filter "status=running" -q)" ]; then
        return 0  # true
    else
        return 1  # false
    fi
}


if [ -z ${date_to_load} ] ; then
    echo "Yesterday data has priority. Running historical container will be killed"
    docker kill ${ContainerName}
else
    echo "Historical run ${date_to_load}"
    if is_container_running "$ContainerName"; then
        echo "Container ${ContainerName} is already running."
        exit 3
    fi
    if [ "${date_to_load}" == "next" ] ; then
        if [ ! -e ${LastDayFile} ]; then
            mv ${LastDayFile}.prev ${LastDayFile}
            if [ ! -e ${LastDayFile} ]; then
                echo "file ${LastDayFile} does not exist"
                exit 2
            fi
        fi
        last_date=$(cat ${LastDayFile})
        if [ -z ${last_date} ] ; then
            echo "No last date_to_load in ${LastDayFile}"
            exit 1
        fi
        mv ${LastDayFile} ${LastDayFile}.prev
        date_to_load=$(date -d "${last_date} - 1 day" "+%Y-%m-%d")
    fi
    echo "Historical Data for ${date_to_load}"
fi

Cmd="docker run"
Cmd="${Cmd} --network=host"
Cmd="${Cmd} --name=${ContainerName}"
Cmd="${Cmd} --rm"
Cmd="${Cmd} ${DockerImage}"
Cmd="${Cmd} ${date_to_load}"

echo $Cmd
eval $Cmd

if [ "$?" != "0" ] ; then
    exit 1 # if killed we do not save last day
fi

if [ -n ${date_to_load} ]; then
    echo "Saving date_to_load to ${LastDayFile}"
    echo ${date_to_load} >  ${LastDayFile}
fi