#!/usr/bin/env bash

# Separate TADARIDA nights into corresponding folders

# Specify starting and ending hours for fixed point protocol
START_TIME="22:00"
END_TIME="06:01" # add 1 minute to include exceeding records

# Specify records source and destination directories
SOURCE_DIR="/run/media/ortion/Teensy"
DESTINATION_DIR="/run/media/ortion/55E981D167764F75/Documents/nature/media/protocoles/vigie-chiro/pt_fixe/490982/Pass0"

# Function that separates records of each nights using regex
function separate_nights() {
    START_TIME=$(echo $1 | sed 's/:/ /g')
    END_TIME=$(echo $2 | sed 's/:/ /g')
    SOURCE_DIR=$3
    DESTINATION_DIR=$4
    # Get list of files in source directory
    FILES=$(ls $SOURCE_DIR/*.wav)
    current_date=""
    current_dir=""
    for FILE in $FILES; do
        # Get date of record
        DATE=$(echo $FILE | cut -d'_' -f2)
        # Get hour of record
        HOUR=$(echo $FILE | cut -d'_' -f3 | cut -d'.' -f1)
        # Copy record in proper directory
        # If time is in night range, copy record in destination directory into the current night directory
        if [ "$TIME" -ge "$START_TIME" ] && [ "$TIME" -le "$END_TIME" ]; then
            # If current dir is not yet specified create a directory according to the current date
            if [ "$current_dir" == "" ]; then
                current_dir=$(echo $DATE | cut -b 1-4,5-6,7-8 --output-delimiter="-")
                mkdir -p "$current_dir/raw"
                echo "New night !"
                echo "Created directory $current_dir."
            fi
            cp "$FILE" "$DESTINATION_DIR/$current_dir/raw/"
        else
            current_dir=""
        fi
    done
}

separate_nights "$START_TIME" "$END_TIME" "$SOURCE_DIR" "$DESTINATION_DIR"