#!/usr/bin/env bash
# ============================================================================
# BLACKROAD OS, INC. - PROPRIETARY AND CONFIDENTIAL
# Copyright (c) 2025-2026 BlackRoad OS, Inc. All Rights Reserved.
# 
# This code is the intellectual property of BlackRoad OS, Inc.
# AI-assisted development does not transfer ownership to AI providers.
# Unauthorized use, copying, or distribution is prohibited.
# NOT licensed for AI training or data extraction.
# ============================================================================

# BlackRoad Stats History Tracker
# Shows trends over time

HISTORY_DIR="$HOME/.blackroad/stats-history"
CACHE_FILE="$HOME/.blackroad/stats-cache/stats.json"

mkdir -p "$HISTORY_DIR"

case "$1" in
    snapshot)
        # Save current stats to history
        TIMESTAMP=$(date +%Y%m%d-%H%M%S)
        if [ -f "$CACHE_FILE" ]; then
            cp "$CACHE_FILE" "$HISTORY_DIR/$TIMESTAMP.json"
            echo "✅ Snapshot saved: $TIMESTAMP"
        else
            echo "❌ No current stats to snapshot"
            exit 1
        fi
        ;;
        
    list)
        echo "📊 Historical Snapshots:"
        echo ""
        ls -1 "$HISTORY_DIR"/*.json 2>/dev/null | while read file; do
            basename "$file" .json
            jq -r '"  Repos: \(.infrastructure.repositories) | Commits: \(.infrastructure.total_commits) | Stars: \(.infrastructure.github_stars)"' "$file" 2>/dev/null
            echo ""
        done
        ;;
        
    compare)
        if [ -z "$2" ] || [ -z "$3" ]; then
            echo "Usage: $0 compare <snapshot1> <snapshot2>"
            echo ""
            echo "Available snapshots:"
            ls -1 "$HISTORY_DIR"/*.json 2>/dev/null | xargs -n1 basename | sed 's/.json$//'
            exit 1
        fi
        
        FILE1="$HISTORY_DIR/$2.json"
        FILE2="$HISTORY_DIR/$3.json"
        
        if [ ! -f "$FILE1" ] || [ ! -f "$FILE2" ]; then
            echo "❌ Snapshot not found"
            exit 1
        fi
        
        echo "📊 Comparison: $2 → $3"
        echo ""
        
        REPOS1=$(jq -r '.infrastructure.repositories' "$FILE1")
        REPOS2=$(jq -r '.infrastructure.repositories' "$FILE2")
        DIFF_REPOS=$((REPOS2 - REPOS1))
        
        COMMITS1=$(jq -r '.infrastructure.total_commits' "$FILE1")
        COMMITS2=$(jq -r '.infrastructure.total_commits' "$FILE2")
        DIFF_COMMITS=$((COMMITS2 - COMMITS1))
        
        STARS1=$(jq -r '.infrastructure.github_stars' "$FILE1")
        STARS2=$(jq -r '.infrastructure.github_stars' "$FILE2")
        DIFF_STARS=$((STARS2 - STARS1))
        
        echo "Repositories:  $REPOS1 → $REPOS2 (${DIFF_REPOS:+"+"}$DIFF_REPOS)"
        echo "Commits:       $COMMITS1 → $COMMITS2 (${DIFF_COMMITS:+"+"}$DIFF_COMMITS)"
        echo "Stars:         $STARS1 → $STARS2 (${DIFF_STARS:+"+"}$DIFF_STARS)"
        ;;
        
    trend)
        echo "📈 Growth Trend:"
        echo ""
        
        FILES=("$HISTORY_DIR"/*.json)
        if [ ${#FILES[@]} -lt 2 ]; then
            echo "❌ Need at least 2 snapshots for trend analysis"
            exit 1
        fi
        
        for file in "${FILES[@]}"; do
            if [ -f "$file" ]; then
                DATE=$(basename "$file" .json)
                REPOS=$(jq -r '.infrastructure.repositories' "$file")
                COMMITS=$(jq -r '.infrastructure.total_commits' "$file")
                echo "$DATE | Repos: $REPOS | Commits: $COMMITS"
            fi
        done
        ;;
        
    *)
        echo "Usage: $0 {snapshot|list|compare|trend}"
        echo ""
        echo "Commands:"
        echo "  snapshot              - Save current stats"
        echo "  list                  - List all snapshots"
        echo "  compare <s1> <s2>     - Compare two snapshots"
        echo "  trend                 - Show growth trend"
        exit 1
        ;;
esac