#!/usr/bin/env bash

# Read configuration from environment variables
NUMBER=${NUMBER:-8}  # Default to 4 if not set
SYMBOLS=${SYMBOLS:-";;;;;;;"}  # Default symbols if not set

IFS=';' read -r -a CUSTOM_SYMBOLS <<< "$SYMBOLS"

PIPE=/tmp/workspace
WRAP=true

format_line() {
    local current_workspace=$1
    local output_text="{\"text\": \""

    # Iterate through the workspace symbols
    for i in $(seq 1 $NUMBER); do
        local symbol="${CUSTOM_SYMBOLS[$((i-1))]}"
        
        # Determine the span for the current symbol
        if (( i == current_workspace )); then
            output_text+="<span>[$symbol]</span>"  # Indicate active workspace
        else
            output_text+="<span>$symbol</span>"  # Indicate inactive workspace
        fi
        
        # Add a separator only if it's not the last element
        if (( i < NUMBER )); then
            output_text+="|"
        fi
    done

    output_text+="\"}"
    # Output the JSON object with a "text" field
    echo "$output_text"
}



# Remove existing pipe and create a new one
rm -f $PIPE
mkfifo $PIPE

# Print initial state
current=1
format_line $current

# Main loop to handle input and update workspaces
while true; do
    if read -t 0.1 input <$PIPE; then
        if [ "$input" == "right" ]; then input=$((current + 1)); fi
        if [ "$input" == "left" ]; then input=$((current - 1)); fi

        if (( input < 1 )); then
            if [ "$WRAP" == false ]; then continue; fi
            input=$NUMBER
        fi
        if (( input > NUMBER )); then
            if [ "$WRAP" == false ]; then continue; fi
            input=1
        fi
        if (( input == current )); then continue; fi

        current=$input
    fi
    format_line $current

done