#!/usr/bin/env bash
# Shell configuration diagnostic tool
# Following the prime directive: understand before fixing

set -euo pipefail

echo "🔍 Shell Configuration Diagnostic"
echo "=================================="

echo "1. Current shell: $SHELL"
echo "2. Zsh version: $(zsh --version)"
echo ""

echo "3. Checking for conflicting aliases:"
alias | grep -E "(cd=|chamber=)" || echo "   No cd/chamber aliases found"
echo ""

echo "4. Testing functions.zsh syntax:"
if zsh -n ~/dotfiles/shell/functions.zsh; then
    echo "   ✅ Syntax is valid"
else
    echo "   ❌ Syntax error found"
fi
echo ""

echo "5. Testing incremental loading:"
echo "   Loading environment.zsh..."
source ~/dotfiles/shell/environment.zsh && echo "   ✅ OK" || echo "   ❌ FAILED"

echo "   Loading paths.zsh..."
source ~/dotfiles/shell/paths.zsh && echo "   ✅ OK" || echo "   ❌ FAILED"

echo "   Loading functions.zsh..."
if source ~/dotfiles/shell/functions.zsh 2>&1 | head -1; then
    echo "   ✅ OK"
else
    echo "   ❌ FAILED - this is where the issue occurs"
fi

echo ""
echo "6. Checking for hidden characters around line 311:"
sed -n '310,312p' ~/dotfiles/shell/functions.zsh | cat -A

echo ""
echo "🎯 Recommended next steps:"
echo "   - If syntax is clean, the issue is environmental"
echo "   - Check what aliases exist before functions.zsh loads"
echo "   - Consider isolation: load functions in clean shell"