#!/usr/bin/env bash
[ -f functions.sh ] && source functions.sh
# shellcheck source=/dev/null
[ -f bot.cfg ] && source bot.cfg

userName="$1"
channelName="$2"
shift 2

# Debug logging
echo "DEBUG say.sh: userName='$userName' channelName='$channelName' args='$*'" >> "$log"

# Check if there are any arguments
if [[ -z "$*" ]]; then
    msg "$channelName" "$userName: Please provide a message to say."
    exit 0
fi

# Ensure channels array is available
if [[ -z "${channels[*]}" ]]; then
    msg "$channelName" "$userName: Configuration error - no channels configured."
    exit 1
fi

# Check if invoked from a PM (channel name equals username)
if [[ "$channelName" == "$userName" ]]; then
    # PM context: check if first argument is a channel name
    firstArg="$1"
    echo "DEBUG say.sh: PM context detected, firstArg='$firstArg'" >> "$log"

    # Check if first argument starts with # (explicit channel)
    # IRC channels can contain: alphanumeric, -, _, and some special chars
    if [[ "$firstArg" =~ ^#[a-zA-Z0-9_-]+$ ]]; then
        # Remove # prefix for comparison with configured channels
        targetChannel="${firstArg#\#}"

        # Check if the bot is connected to this channel
        isConnected=false
        for configuredChannel in "${channels[@]}"; do
            if [[ "$configuredChannel" == "$targetChannel" ]]; then
                isConnected=true
                break
            fi
        done

        if [[ "$isConnected" == "true" ]]; then
            # Send message to specified channel
            shift
            if [[ -z "$*" ]]; then
                msg "$userName" "Please provide a message to say in $firstArg."
            else
                msg "$firstArg" "$*"
            fi
        else
            # Not connected to that channel
            msg "$userName" "I am not connected to $firstArg."
        fi
    else
        # No channel specified or doesn't start with #, broadcast to all channels
        for configuredChannel in "${channels[@]}"; do
            msg "#$configuredChannel" "$*"
        done
    fi
else
    # Channel context: just say the message in the current channel
    msg "$channelName" "$*"
fi