/// Scripture model for daily verses and devotionals
class Scripture {
  final String verse;
  final String reference;
  final String? reflection;
  final List<String> applicablePhases;
  final List<String> applicableContexts;
  
  const Scripture({
    required this.verse,
    required this.reference,
    this.reflection,
    this.applicablePhases = const [],
    this.applicableContexts = const [],
  });
}

/// Pre-defined scriptures for the app
class ScriptureDatabase {
  /// Scriptures for menstrual phase (rest, comfort)
  static const List<Scripture> menstrualScriptures = [
    Scripture(
      verse: "Come to me, all you who are weary and burdened, and I will give you rest.",
      reference: "Matthew 11:28",
      reflection: "Your body is doing important work. Rest is not weakness—it's wisdom.",
      applicablePhases: ['menstrual'],
    ),
    Scripture(
      verse: "He gives strength to the weary and increases the power of the weak.",
      reference: "Isaiah 40:29",
      applicablePhases: ['menstrual'],
    ),
    Scripture(
      verse: "The Lord is my shepherd; I shall not want. He makes me lie down in green pastures.",
      reference: "Psalm 23:1-2",
      applicablePhases: ['menstrual'],
    ),
    Scripture(
      verse: "Be still, and know that I am God.",
      reference: "Psalm 46:10",
      reflection: "Use this time of slowing down to be present with God.",
      applicablePhases: ['menstrual'],
    ),
    Scripture(
      verse: "My grace is sufficient for you, for my power is made perfect in weakness.",
      reference: "2 Corinthians 12:9",
      applicablePhases: ['menstrual'],
    ),
  ];
  
  /// Scriptures for follicular phase (renewal, strength)
  static const List<Scripture> follicularScriptures = [
    Scripture(
      verse: "She is clothed with strength and dignity; she can laugh at the days to come.",
      reference: "Proverbs 31:25",
      reflection: "You're entering a season of renewed energy. Use it for His glory.",
      applicablePhases: ['follicular'],
    ),
    Scripture(
      verse: "I can do all this through him who gives me strength.",
      reference: "Philippians 4:13",
      applicablePhases: ['follicular'],
    ),
    Scripture(
      verse: "But those who hope in the Lord will renew their strength. They will soar on wings like eagles.",
      reference: "Isaiah 40:31",
      applicablePhases: ['follicular'],
    ),
    Scripture(
      verse: "This is the day the Lord has made; let us rejoice and be glad in it.",
      reference: "Psalm 118:24",
      applicablePhases: ['follicular'],
    ),
    Scripture(
      verse: "The Lord your God is with you, the Mighty Warrior who saves.",
      reference: "Zephaniah 3:17",
      applicablePhases: ['follicular'],
    ),
  ];
  
  /// Scriptures for ovulation phase (creation, beauty)
  static const List<Scripture> ovulationScriptures = [
    Scripture(
      verse: "For you created my inmost being; you knit me together in my mother's womb. I praise you because I am fearfully and wonderfully made.",
      reference: "Psalm 139:13-14",
      reflection: "Your body reflects the incredible creativity of God.",
      applicablePhases: ['ovulation'],
    ),
    Scripture(
      verse: "Children are a heritage from the Lord, offspring a reward from him.",
      reference: "Psalm 127:3",
      applicablePhases: ['ovulation'],
    ),
    Scripture(
      verse: "See, I am doing a new thing! Now it springs up; do you not perceive it?",
      reference: "Isaiah 43:19",
      applicablePhases: ['ovulation'],
    ),
    Scripture(
      verse: "Every good and perfect gift is from above.",
      reference: "James 1:17",
      applicablePhases: ['ovulation'],
    ),
  ];
  
  /// Scriptures for luteal phase / TWW (patience, trust)
  static const List<Scripture> lutealScriptures = [
    Scripture(
      verse: "For I know the plans I have for you, declares the Lord, plans to prosper you and not to harm you, plans to give you hope and a future.",
      reference: "Jeremiah 29:11",
      reflection: "Whatever this season holds, God's plans for you are good.",
      applicablePhases: ['luteal'],
    ),
    Scripture(
      verse: "Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, present your requests to God.",
      reference: "Philippians 4:6",
      applicablePhases: ['luteal'],
    ),
    Scripture(
      verse: "Trust in the Lord with all your heart and lean not on your own understanding.",
      reference: "Proverbs 3:5",
      applicablePhases: ['luteal'],
    ),
    Scripture(
      verse: "The Lord is close to the brokenhearted and saves those who are crushed in spirit.",
      reference: "Psalm 34:18",
      applicablePhases: ['luteal'],
    ),
    Scripture(
      verse: "And the peace of God, which transcends all understanding, will guard your hearts and your minds in Christ Jesus.",
      reference: "Philippians 4:7",
      applicablePhases: ['luteal'],
    ),
    Scripture(
      verse: "Wait for the Lord; be strong and take heart and wait for the Lord.",
      reference: "Psalm 27:14",
      applicablePhases: ['luteal'],
    ),
  ];
  
  /// Scriptures for husbands
  static const List<Scripture> husbandScriptures = [
    Scripture(
      verse: "Husbands, love your wives, just as Christ loved the church and gave himself up for her.",
      reference: "Ephesians 5:25",
      reflection: "Love sacrificially—putting her needs before your own.",
    ),
    Scripture(
      verse: "Husbands, in the same way be considerate as you live with your wives, and treat them with respect.",
      reference: "1 Peter 3:7",
    ),
    Scripture(
      verse: "Two are better than one, because they have a good return for their labor.",
      reference: "Ecclesiastes 4:9",
    ),
    Scripture(
      verse: "Be completely humble and gentle; be patient, bearing with one another in love.",
      reference: "Ephesians 4:2",
    ),
    Scripture(
      verse: "Above all, love each other deeply, because love covers over a multitude of sins.",
      reference: "1 Peter 4:8",
    ),
    Scripture(
      verse: "A husband should fulfill his duty to his wife.",
      reference: "1 Corinthians 7:3",
    ),
    Scripture(
      verse: "He who finds a wife finds what is good and receives favor from the Lord.",
      reference: "Proverbs 18:22",
    ),
  ];
  
  /// General womanhood scriptures
  static const List<Scripture> womanhoodScriptures = [
    Scripture(
      verse: "Charm is deceptive, and beauty is fleeting; but a woman who fears the Lord is to be praised.",
      reference: "Proverbs 31:30",
    ),
    Scripture(
      verse: "She opens her mouth with wisdom, and the teaching of kindness is on her tongue.",
      reference: "Proverbs 31:26",
    ),
    Scripture(
      verse: "Your beauty should not come from outward adornment... Rather, it should be that of your inner self, the unfading beauty of a gentle and quiet spirit.",
      reference: "1 Peter 3:3-4",
    ),
    Scripture(
      verse: "God is within her, she will not fall; God will help her at break of day.",
      reference: "Psalm 46:5",
    ),
  ];
  
  /// Get scripture for current phase
  static Scripture getScriptureForPhase(String phase) {
    final List<Scripture> scriptures;
    switch (phase.toLowerCase()) {
      case 'menstrual':
        scriptures = menstrualScriptures;
        break;
      case 'follicular':
        scriptures = follicularScriptures;
        break;
      case 'ovulation':
        scriptures = ovulationScriptures;
        break;
      case 'luteal':
        scriptures = lutealScriptures;
        break;
      default:
        scriptures = [...menstrualScriptures, ...follicularScriptures, ...ovulationScriptures, ...lutealScriptures];
    }
    
    // Return a scripture based on the day of year for variety
    final dayOfYear = DateTime.now().difference(DateTime(DateTime.now().year, 1, 1)).inDays;
    return scriptures[dayOfYear % scriptures.length];
  }
  
  /// Get scripture for husband
  static Scripture getHusbandScripture() {
    final dayOfYear = DateTime.now().difference(DateTime(DateTime.now().year, 1, 1)).inDays;
    return husbandScriptures[dayOfYear % husbandScriptures.length];
  }
  
  /// Get all scriptures
  static List<Scripture> getAllScriptures() {
    return [
      ...menstrualScriptures,
      ...follicularScriptures,
      ...ovulationScriptures,
      ...lutealScriptures,
      ...womanhoodScriptures,
    ];
  }
}