#!/usr/bin/env bun
/**
 * Numerology Compatibility Analyzer
 *
 * Compare two people's numerology charts to understand relationship dynamics,
 * strengths, challenges, and best collaboration strategies.
 *
 * Perfect for: Romantic relationships, business partnerships, parent-child dynamics,
 * team collaboration, friendships, and any two-person dynamic.
 *
 * Usage:
 *   bun compatibility.ts --person1 "John Doe:5/13/1982" --person2 "Jane Smith:11/22/1990"
 *   bun compatibility.ts --p1 "Alice:3/14/1985" --p2 "Bob:7/7/1980" --type business
 */

import { calculateCoreNumbers, type CoreNumbers } from './core-calculator';

// Parse command line arguments
const args = process.argv.slice(2);
let person1Data = '';
let person2Data = '';
let relationshipType = 'general';

for (let i = 0; i < args.length; i++) {
  if ((args[i] === '--person1' || args[i] === '--p1') && args[i + 1]) {
    person1Data = args[i + 1];
    i++;
  } else if ((args[i] === '--person2' || args[i] === '--p2') && args[i + 1]) {
    person2Data = args[i + 1];
    i++;
  } else if ((args[i] === '--type' || args[i] === '-t') && args[i + 1]) {
    relationshipType = args[i + 1].toLowerCase();
    i++;
  } else if (args[i] === '--help' || args[i] === '-h') {
    console.log(`
Numerology Compatibility Analyzer

Compare two people's numerology charts for relationship insights.

USAGE:
  bun compatibility.ts --person1 "Name:mm/dd/yyyy" --person2 "Name:mm/dd/yyyy"

OPTIONS:
  --person1, --p1  First person (format: "Name:mm/dd/yyyy")
  --person2, --p2  Second person (format: "Name:mm/dd/yyyy")
  --type, -t       Relationship type [general, romantic, business, family, friendship]
  --help, -h       Show this help message

EXAMPLES:
  # Romantic relationship
  bun compatibility.ts --p1 "John:5/13/1982" --p2 "Jane:11/22/1990" --type romantic

  # Business partnership
  bun compatibility.ts --p1 "Alice:3/14/1985" --p2 "Bob:7/7/1980" --type business

  # General compatibility
  bun compatibility.ts --p1 "Parent:1/1/1970" --p2 "Child:5/15/2010"

RELATIONSHIP TYPES:
  general     - Overall compatibility analysis
  romantic    - Love, marriage, intimate partnership
  business    - Work collaboration, business partners
  family      - Parent-child, siblings, relatives
  friendship  - Platonic relationships, social bonds
    `);
    process.exit(0);
  }
}

if (!person1Data || !person2Data) {
  console.error('Error: Both --person1 and --person2 are required');
  console.error('Format: "Name:mm/dd/yyyy"');
  console.error('Try: bun compatibility.ts --help');
  process.exit(1);
}

// Parse person data
function parsePerson(data: string): { name: string; birthdate: string } {
  const parts = data.split(':');
  if (parts.length !== 2) {
    console.error(`Error: Invalid format "${data}". Expected "Name:mm/dd/yyyy"`);
    process.exit(1);
  }
  return { name: parts[0].trim(), birthdate: parts[1].trim() };
}

const person1 = parsePerson(person1Data);
const person2 = parsePerson(person2Data);

// Calculate core numbers for both
const chart1 = calculateCoreNumbers(person1.name, person1.birthdate);
const chart2 = calculateCoreNumbers(person2.name, person2.birthdate);

// Compatibility scoring
interface CompatibilityScore {
  lifePath: number;
  expression: number;
  soulUrge: number;
  overall: number;
}

function calculateCompatibility(c1: CoreNumbers, c2: CoreNumbers): CompatibilityScore {
  const lifePath = scoreNumberPair(c1.lifePath, c2.lifePath);
  const expression = scoreNumberPair(c1.expression, c2.expression);
  const soulUrge = scoreNumberPair(c1.soulUrge, c2.soulUrge);

  // Overall is weighted average (Life Path most important)
  const overall = Math.round((lifePath * 0.4 + expression * 0.3 + soulUrge * 0.3));

  return { lifePath, expression, soulUrge, overall };
}

// Score number pair compatibility (1-10 scale)
function scoreNumberPair(n1: number, n2: number): number {
  // Reduce master numbers to base for compatibility
  const num1 = n1 > 9 ? (n1 === 11 ? 2 : n1 === 22 ? 4 : 6) : n1;
  const num2 = n2 > 9 ? (n2 === 11 ? 2 : n2 === 22 ? 4 : 6) : n2;

  // Same number = high compatibility
  if (num1 === num2) return 9;

  // Compatibility matrix (simplified)
  const compatibilityMatrix: Record<number, Record<number, number>> = {
    1: { 2: 6, 3: 8, 4: 5, 5: 7, 6: 6, 7: 7, 8: 8, 9: 7 },
    2: { 1: 6, 3: 7, 4: 8, 5: 5, 6: 9, 7: 6, 8: 8, 9: 8 },
    3: { 1: 8, 2: 7, 4: 6, 5: 9, 6: 8, 7: 6, 8: 7, 9: 9 },
    4: { 1: 5, 2: 8, 3: 6, 5: 6, 6: 8, 7: 7, 8: 9, 9: 6 },
    5: { 1: 7, 2: 5, 3: 9, 4: 6, 6: 6, 7: 8, 8: 7, 9: 7 },
    6: { 1: 6, 2: 9, 3: 8, 4: 8, 5: 6, 7: 7, 8: 7, 9: 9 },
    7: { 1: 7, 2: 6, 3: 6, 4: 7, 5: 8, 6: 7, 8: 6, 9: 8 },
    8: { 1: 8, 2: 8, 3: 7, 4: 9, 5: 7, 6: 7, 7: 6, 9: 7 },
    9: { 1: 7, 2: 8, 3: 9, 4: 6, 5: 7, 6: 9, 7: 8, 8: 7 }
  };

  return compatibilityMatrix[num1]?.[num2] || 5;
}

// Compatibility descriptions
function getCompatibilityLevel(score: number): { level: string; emoji: string; description: string } {
  if (score >= 9) return {
    level: 'Excellent',
    emoji: '💚',
    description: 'Natural harmony and strong connection'
  };
  if (score >= 7) return {
    level: 'Very Good',
    emoji: '💙',
    description: 'Compatible with minor adjustments needed'
  };
  if (score >= 5) return {
    level: 'Moderate',
    emoji: '💛',
    description: 'Workable with conscious effort'
  };
  if (score >= 3) return {
    level: 'Challenging',
    emoji: '🧡',
    description: 'Requires significant work and understanding'
  };
  return {
    level: 'Difficult',
    emoji: '❤️',
    description: 'Major differences need bridging'
  };
}

// Life Path compatibility insights
const lifePathInsights: Record<string, { strengths: string[]; challenges: string[]; advice: string }> = {
  '1-1': {
    strengths: ['Both independent and driven', 'Mutual respect for ambition', 'High energy dynamic'],
    challenges: ['Power struggles possible', 'Both want to lead', 'Competitive tension'],
    advice: 'Take turns leading. Create separate domains where each person has authority.'
  },
  '1-2': {
    strengths: ['1 leads, 2 supports perfectly', 'Complementary energies', '1 inspires, 2 refines'],
    challenges: ['2 may feel overshadowed', '1 may seem too aggressive', 'Balance of power needed'],
    advice: '1: Value 2\'s input. 2: Speak up when needed. Balance independence with togetherness.'
  },
  '2-2': {
    strengths: ['Deep emotional connection', 'Both diplomatic and sensitive', 'Natural harmony'],
    challenges: ['Both indecisive', 'May avoid necessary conflict', 'Codependence risk'],
    advice: 'Practice making decisions independently. One person take charge when needed.'
  },
  '3-3': {
    strengths: ['Creative synergy', 'Fun and social together', 'Inspiring partnership'],
    challenges: ['Both scattered', 'Lack of grounding', 'Too much surface, not enough depth'],
    advice: 'Build in structure. Balance fun with responsibility. Ground your creativity.'
  },
  '3-5': {
    strengths: ['Excitement and adventure', 'Freedom-loving duo', 'Creative exploration'],
    challenges: ['Both avoid routine', 'Lack of stability', 'Commitment issues'],
    advice: 'Establish some routines together. Balance adventure with security.'
  },
  '4-4': {
    strengths: ['Both reliable and stable', 'Build solid foundations together', 'Shared work ethic'],
    challenges: ['Both rigid', 'Too routine', 'Lack of spontaneity'],
    advice: 'Schedule fun and adventure. Allow flexibility. Don\'t let work consume everything.'
  },
  '4-8': {
    strengths: ['Powerful building duo', 'Material success likely', 'Ambitious partnership'],
    challenges: ['Both workaholic', 'Emotions neglected', 'All work, no play'],
    advice: 'Prioritize emotional connection. Balance ambition with intimacy.'
  },
  '5-5': {
    strengths: ['Freedom and change', 'Adventurous partnership', 'Never boring'],
    challenges: ['No stability', 'Commitment difficult', 'Restless energy'],
    advice: 'Create flexible commitments. Establish home base. Ground your freedom.'
  },
  '6-6': {
    strengths: ['Nurturing and caring', 'Home and family focused', 'Service-oriented'],
    challenges: ['Both controlling', 'Martyr complex', 'Neglect of self'],
    advice: 'Practice receiving. Set boundaries. Take care of yourselves too.'
  },
  '6-9': {
    strengths: ['Service and compassion', 'Humanitarian goals', 'Caring partnership'],
    challenges: ['Both give too much', 'Boundary issues', 'Burnout risk'],
    advice: 'Fill your own cup first. Say no sometimes. Balance giving with receiving.'
  },
  '7-7': {
    strengths: ['Deep intellectual bond', 'Spiritual connection', 'Mutual understanding'],
    challenges: ['Both withdraw', 'Isolation together', 'Lack of action'],
    advice: 'Engage with the world. Balance introspection with activity. Share your thoughts.'
  },
  '8-8': {
    strengths: ['Power couple', 'Material success', 'Ambitious partnership'],
    challenges: ['Power struggles', 'Both controlling', 'Work over relationship'],
    advice: 'Create separate domains. Balance power. Make time for intimacy.'
  },
  '9-9': {
    strengths: ['Humanitarian vision', 'Compassionate partnership', 'Idealistic goals'],
    challenges: ['Both emotionally complex', 'Drama potential', 'Impractical together'],
    advice: 'Stay grounded. Balance idealism with practicality. Clear boundaries.'
  },
  '1-3': {
    strengths: ['Action meets creativity', '1 executes 3\'s ideas', 'Dynamic energy'],
    challenges: ['1 too serious for 3', '3 too scattered for 1', 'Different paces'],
    advice: '1: Lighten up. 3: Follow through. Appreciate different strengths.'
  },
  '1-5': {
    strengths: ['Freedom-loving duo', 'Adventurous partnership', 'Independent together'],
    challenges: ['Both self-focused', 'Commitment issues', 'Competitive'],
    advice: 'Make time for togetherness. Balance independence with intimacy.'
  },
  '2-6': {
    strengths: ['Nurturing harmony', 'Both caring', 'Natural partnership'],
    challenges: ['Both give too much', 'Codependence risk', 'Need to receive'],
    advice: 'Practice receiving. Set boundaries. Take care of yourselves.'
  },
  '3-6': {
    strengths: ['Creative family', 'Joy and nurturing', 'Social and caring'],
    challenges: ['3 scattered, 6 responsible', '6 too serious for 3', 'Different priorities'],
    advice: '6: Allow play. 3: Help with responsibilities. Balance fun and duty.'
  },
  '4-7': {
    strengths: ['Practical meets spiritual', 'Deep thinking + grounded', 'Quality focus'],
    challenges: ['4 too mundane for 7', '7 too abstract for 4', 'Different worlds'],
    advice: '4: Honor 7\'s spirituality. 7: Appreciate 4\'s practicality. Bridge worlds.'
  },
  '5-7': {
    strengths: ['Freedom and wisdom', 'Adventurous spirit', 'Independent thinking'],
    challenges: ['5 too social for 7', '7 too withdrawn for 5', 'Different social needs'],
    advice: 'Respect different needs. 5: Give space. 7: Engage sometimes.'
  },
  '1-9': {
    strengths: ['Leadership meets compassion', 'Pioneer + humanitarian', 'Visionary partnership'],
    challenges: ['1 self-focused, 9 others-focused', 'Different priorities', 'Ego vs service'],
    advice: '1: Think beyond self. 9: Set boundaries. Find common mission.'
  }
};

// Get insights for Life Path pair
function getLifePathInsights(lp1: number, lp2: number): { strengths: string[]; challenges: string[]; advice: string } {
  const key1 = `${lp1}-${lp2}`;
  const key2 = `${lp2}-${lp1}`;

  return lifePathInsights[key1] || lifePathInsights[key2] || {
    strengths: ['Unique combination', 'Potential for growth', 'Complementary lessons'],
    challenges: ['Different paths', 'Understanding needed', 'Bridge differences'],
    advice: 'Focus on what you can learn from each other. Embrace differences as growth opportunities.'
  };
}

// Calculate scores
const scores = calculateCompatibility(chart1, chart2);

// Output
console.log(`\n═══════════════════════════════════════════════════════════════`);
console.log(`💑 NUMEROLOGY COMPATIBILITY ANALYSIS`);
console.log(`═══════════════════════════════════════════════════════════════\n`);

console.log(`${person1.name} & ${person2.name}`);
console.log(`Relationship Type: ${relationshipType.charAt(0).toUpperCase() + relationshipType.slice(1)}\n`);

// Overall compatibility
const overall = getCompatibilityLevel(scores.overall);
console.log(`═══════════════════════════════════════════════════════════════`);
console.log(`OVERALL COMPATIBILITY: ${overall.emoji} ${overall.level.toUpperCase()} (${scores.overall}/10)`);
console.log(`═══════════════════════════════════════════════════════════════`);
console.log(`${overall.description}\n`);

// Individual charts
console.log(`═══════════════════════════════════════════════════════════════`);
console.log(`INDIVIDUAL CHARTS`);
console.log(`═══════════════════════════════════════════════════════════════\n`);

console.log(`${person1.name}:`);
console.log(`  Life Path: ${chart1.lifePath}${chart1.lifePath > 9 ? ' (Master Number)' : ''}`);
console.log(`  Expression: ${chart1.expression}${chart1.expression > 9 ? ' (Master Number)' : ''}`);
console.log(`  Soul Urge: ${chart1.soulUrge}${chart1.soulUrge > 9 ? ' (Master Number)' : ''}`);
console.log(`  Birthday: ${chart1.birthday}\n`);

console.log(`${person2.name}:`);
console.log(`  Life Path: ${chart2.lifePath}${chart2.lifePath > 9 ? ' (Master Number)' : ''}`);
console.log(`  Expression: ${chart2.expression}${chart2.expression > 9 ? ' (Master Number)' : ''}`);
console.log(`  Soul Urge: ${chart2.soulUrge}${chart2.soulUrge > 9 ? ' (Master Number)' : ''}`);
console.log(`  Birthday: ${chart2.birthday}\n`);

// Detailed compatibility breakdown
console.log(`═══════════════════════════════════════════════════════════════`);
console.log(`DETAILED COMPATIBILITY BREAKDOWN`);
console.log(`═══════════════════════════════════════════════════════════════\n`);

const lpCompat = getCompatibilityLevel(scores.lifePath);
console.log(`💚 LIFE PATH COMPATIBILITY (${scores.lifePath}/10) - ${lpCompat.level}`);
console.log(`   ${person1.name}: ${chart1.lifePath} | ${person2.name}: ${chart2.lifePath}`);
console.log(`   ${lpCompat.description}\n`);

const exprCompat = getCompatibilityLevel(scores.expression);
console.log(`💙 EXPRESSION COMPATIBILITY (${scores.expression}/10) - ${exprCompat.level}`);
console.log(`   ${person1.name}: ${chart1.expression} | ${person2.name}: ${chart2.expression}`);
console.log(`   How you work and express yourselves together\n`);

const soulCompat = getCompatibilityLevel(scores.soulUrge);
console.log(`💜 SOUL URGE COMPATIBILITY (${scores.soulUrge}/10) - ${soulCompat.level}`);
console.log(`   ${person1.name}: ${chart1.soulUrge} | ${person2.name}: ${chart2.soulUrge}`);
console.log(`   Deep inner desires and motivations\n`);

// Life Path specific insights
const insights = getLifePathInsights(chart1.lifePath, chart2.lifePath);

console.log(`═══════════════════════════════════════════════════════════════`);
console.log(`RELATIONSHIP DYNAMICS (Life Path ${chart1.lifePath} & ${chart2.lifePath})`);
console.log(`═══════════════════════════════════════════════════════════════\n`);

console.log(`✅ STRENGTHS:`);
insights.strengths.forEach(s => console.log(`   • ${s}`));
console.log('');

console.log(`⚠️  CHALLENGES:`);
insights.challenges.forEach(c => console.log(`   • ${c}`));
console.log('');

console.log(`💡 ADVICE:`);
console.log(`   ${insights.advice}\n`);

// Relationship-specific guidance
console.log(`═══════════════════════════════════════════════════════════════`);
console.log(`${relationshipType.toUpperCase()} RELATIONSHIP GUIDANCE`);
console.log(`═══════════════════════════════════════════════════════════════\n`);

if (relationshipType === 'romantic') {
  console.log(`💕 ROMANTIC RELATIONSHIP:`);
  console.log(`   • Emotional compatibility: Focus on Soul Urge alignment`);
  console.log(`   • Long-term potential: Life Path compatibility is key`);
  console.log(`   • Daily harmony: Expression numbers show day-to-day interaction`);
  console.log(`   • Communication: Express your soul urges openly and honestly\n`);
} else if (relationshipType === 'business') {
  console.log(`💼 BUSINESS PARTNERSHIP:`);
  console.log(`   • Working style: Expression numbers show collaboration style`);
  console.log(`   • Shared vision: Life Path shows long-term alignment`);
  console.log(`   • Motivation: Soul Urge reveals what drives each person`);
  console.log(`   • Division of labor: Play to each person's Expression strengths\n`);
} else if (relationshipType === 'family') {
  console.log(`👨‍👩‍👧‍👦 FAMILY RELATIONSHIP:`);
  console.log(`   • Understanding: Life Path shows core life lessons`);
  console.log(`   • Communication: Expression numbers affect interaction style`);
  console.log(`   • Deep needs: Soul Urge reveals what each person truly needs`);
  console.log(`   • Patience: Honor different paths and timings\n`);
} else if (relationshipType === 'friendship') {
  console.log(`🤝 FRIENDSHIP:`);
  console.log(`   • Common interests: Expression numbers show shared activities`);
  console.log(`   • Life philosophy: Life Path shows worldview alignment`);
  console.log(`   • Emotional support: Soul Urge shows how you support each other`);
  console.log(`   • Fun factor: Compatible Expression = enjoyable time together\n`);
} else {
  console.log(`🌟 GENERAL COMPATIBILITY:`);
  console.log(`   • Life Path: Core life direction and purpose`);
  console.log(`   • Expression: How you interact and work together`);
  console.log(`   • Soul Urge: Deep compatibility of desires and motivations`);
  console.log(`   • Overall: Balance all three for full picture\n`);
}

// Key takeaways
console.log(`═══════════════════════════════════════════════════════════════`);
console.log(`KEY TAKEAWAYS`);
console.log(`═══════════════════════════════════════════════════════════════\n`);

if (scores.overall >= 8) {
  console.log(`✨ This is a naturally harmonious pairing with strong potential.`);
  console.log(`   Focus on appreciating your compatibility while respecting differences.\n`);
} else if (scores.overall >= 6) {
  console.log(`💫 Good compatibility with room for growth.`);
  console.log(`   Success requires communication and mutual understanding.\n`);
} else if (scores.overall >= 4) {
  console.log(`⚡ Moderate compatibility - conscious effort needed.`);
  console.log(`   This relationship requires work but can teach valuable lessons.\n`);
} else {
  console.log(`🔥 Challenging compatibility - major growth opportunity.`);
  console.log(`   Success requires exceptional communication, patience, and commitment.\n`);
}

console.log(`Remember: Numerology shows tendencies, not destiny.`);
console.log(`Any relationship can work with awareness, effort, and love.\n`);

console.log(`✨ Generated with Numerology Compatibility Analyzer\n`);