#!/usr/bin/env zsh
# Safe shell configuration reload with conflict resolution
# Embodies μέτρον: thoughtful, measured approach to shell management

set -euo pipefail

DOTFILES_DIR="$HOME/dotfiles"

# Colors
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'

echo -e "${YELLOW}🔧 Safe Shell Configuration Reload${NC}"
echo "Following prime directive: durable solutions over expedient fixes"
echo ""

# Step 1: Clear conflicting aliases
echo "1️⃣ Clearing potential conflicts..."
unalias cd chamber 2>/dev/null || true
echo "   ✅ Aliases cleared"

# Step 2: Load in proper order with error handling
echo "2️⃣ Loading configuration modules..."

# Environment first (sets foundation)
if source "$DOTFILES_DIR/shell/environment.zsh" 2>/dev/null; then
    echo "   ✅ Environment loaded"
else
    echo -e "   ${RED}❌ Environment failed${NC}"
    exit 1
fi

# Paths second (builds PATH properly)  
if source "$DOTFILES_DIR/shell/paths.zsh" 2>/dev/null; then
    echo "   ✅ Paths loaded"
else
    echo -e "   ${RED}❌ Paths failed${NC}"
    exit 1
fi

# Functions third (defines utilities)
if source "$DOTFILES_DIR/shell/functions.zsh" 2>/dev/null; then
    echo "   ✅ Functions loaded"
else
    echo -e "   ${RED}❌ Functions failed - attempting repair${NC}"
    
    # Attempt repair: comment out problematic functions
    echo "   🔧 Attempting automatic repair..."
    
    # Create backup
    cp "$DOTFILES_DIR/shell/functions.zsh" "$DOTFILES_DIR/shell/functions.zsh.backup.$(date +%Y%m%d_%H%M%S)"
    
    # Temporarily disable chamber function
    sed -i.tmp 's/^chamber()/# chamber() # DISABLED/' "$DOTFILES_DIR/shell/functions.zsh"
    
    if source "$DOTFILES_DIR/shell/functions.zsh" 2>/dev/null; then
        echo "   ✅ Functions loaded (chamber disabled)"
        echo "   📝 Chamber function disabled - investigate separately"
    else
        echo -e "   ${RED}❌ Functions still failing${NC}"
        # Restore backup
        mv "$DOTFILES_DIR/shell/functions.zsh.backup.$(date +%Y%m%d_%H%M%S)" "$DOTFILES_DIR/shell/functions.zsh"
        exit 1
    fi
fi

# Aliases last (safe to override)
if source "$DOTFILES_DIR/shell/aliases.zsh" 2>/dev/null; then
    echo "   ✅ Aliases loaded"
else
    echo -e "   ${YELLOW}⚠️  Aliases had issues - continuing${NC}"
fi

echo ""
echo -e "${GREEN}✅ Shell configuration successfully reloaded${NC}"
echo "🎯 Test your sysupdate function now"

# Test critical functions
echo ""
echo "3️⃣ Testing critical functions..."
if declare -f sysupdate >/dev/null; then
    echo "   ✅ sysupdate function available"
else
    echo -e "   ${RED}❌ sysupdate not found${NC}"
fi

if declare -f detect_context >/dev/null; then
    echo "   ✅ detect_context function available"  
else
    echo -e "   ${YELLOW}⚠️  detect_context not found${NC}"
fi