#!/usr/bin/env bash

# Word tracking stats module - shows user's current stats

# shellcheck disable=SC1091
[ -f functions.sh ] && source functions.sh
# shellcheck disable=SC1091
[ -f triggers/wordtrack/categories.sh ] && source triggers/wordtrack/categories.sh

name="$1"
channelName="$2"
shift 2

# Optional: check another user's stats
targetUser="${1:-$name}"

# User data file
dataDir="triggers/wordtrack/data/${channelName}"
userDataFile="${dataDir}/${targetUser}.dat"

# Check if user has any data
if [[ ! -f "$userDataFile" ]]; then
    msg "$channelName" "$name: ${targetUser} has not been tracked yet."
    exit 0
fi

# Load user data
declare -A userCounts
while IFS='=' read -r category count; do
    userCounts["$category"]="$count"
done < "$userDataFile"

# Build stats message
statsMessage="${targetUser}'s word tracking stats: "
statsParts=()

# shellcheck disable=SC2154
for category in "${categories[@]}"; do
    count="${userCounts[$category]:-0}"

    if ((count > 0)); then
        # Get current level for this category
        levelsArrayName="${category}Levels"
        declare -n levelsRef="$levelsArrayName"

        currentLevel="Unranked"
        nextThreshold=""

        # Find current level and next threshold
        for threshold in $(printf '%s\n' "${!levelsRef[@]}" | sort -n); do
            if ((count >= threshold)); then
                currentLevel="${levelsRef[$threshold]}"
            elif [[ -z "$nextThreshold" ]]; then
                nextThreshold="$threshold"
            fi
        done
        unset -n levelsRef

        # Build stat string
        if [[ -n "$nextThreshold" ]]; then
            remaining=$((nextThreshold - count))
            statsParts+=("${category}: ${currentLevel} (${count}/${nextThreshold}, ${remaining} to next)")
        else
            statsParts+=("${category}: ${currentLevel} (MAX LEVEL - ${count} words)")
        fi
    fi
done

if [[ ${#statsParts[@]} -eq 0 ]]; then
    msg "$channelName" "$name: ${targetUser} has not earned any levels yet."
else
    statsMessage+=$(IFS=' | '; echo "${statsParts[*]}")
    msg "$channelName" "$statsMessage"
fi