#!/bin/bash

# This script will:
#    1. Gather and create a unique list of "Task Definition Version ID"s on a client;
#    2. Gather the "Task execution instance ID"s for each version id from the above list;
#    3. Gather task execution information task Version and instance ID. 

# Function to detect task and instance guids by finding a leading bracket
id_has_bracket(){
   bracket_check=`echo $curr_id | cut -c1`
#   echo "bracket_check=$bracket_check; $curr_id"
   if [ "$bracket_check" = "{" ]; then
#      echo "   returning true"
      return $TRUE
   else
#      echo "   returning false"
      return $FALSE
   fi
}


##############################################################################
##### Get list of all "Task Definition Version ID"s on the client machine ####
##############################################################################
i=0
cta_list_results=`aex-cta list --show-task-id`
while read task_dt task_tm task_status task_id task_name junk
do
   curr_id="$task_id"
   if ( id_has_bracket $curr_id ); then
      idlist[$i]=$task_id 
      ((i++))
   fi
done < <(echo "$cta_list_results")

tasklist=`printf '%s\n' "${idlist[@]}" | sort -u`
if [ "$tasklist" == "" ]; then
  echo "No tasks"
  exit
fi


#############################################################################
##### Get list of all "Task execution instance ID"s on the client machine ####
##############################################################################
i=0
for taskid in $tasklist; do
   cta_list2_results=`aex-cta list $taskid`
   while read instance_dt instance_tm instance_status instance_id
   do
      curr_id="$instance_id"
      if ( id_has_bracket $curr_id ); then
         combined="$taskid $instance_id"
         instance_list[$i]=$combined
         ((i++))
      fi
   done < <(echo "$cta_list2_results")
done 
# This list should already have unique entries, so the "sort -u" isn't needed, imho. 
combined_list=`printf '%s\n' "${instance_list[@]}"`


##############################################################################
##### Get additional information for each task and instance               ####
##############################################################################
while read taskid instance_id; do
   # The task name isn't in the summary info so this command has to be ran twice
   task_name=`aex-cta info $taskid $instance_id --name`
   summary=`aex-cta info $taskid $instance_id --summary`
   status=`echo "$summary" | grep "Status  " | awk '{ print $2 }'`
   start_time=`echo "$summary" | grep "Start time" | awk '{ print $3 " " $4 }'`

   # output the desired data. printf might also be used for formatting columns, etc. 
   echo $start_time  $taskid $instance_id \"$task_name\" " - " $status 
done < <(echo "$combined_list")