import {
  BookOpen,
  Brain,
  ClipboardCheck,
  FileQuestion,
  GraduationCap,
  Layers3,
  LineChart,
  PlaySquare,
  Sparkles,
  UploadCloud,
} from "lucide-react";
import type {
  DashboardStat,
  ExamAnswer,
  Feature,
  FlashcardItem,
  PricingPlan,
  QuizQuestion,
  StudyDocument,
  StudyMode,
} from "@/types";

export const studyModes: StudyMode[] = [
  "Simple Explanation",
  "Smart Notes",
  "Quiz + Flashcards",
  "Exam Mode",
  "Last Night Revision",
  "Weak Topic Tracker",
  "Previous Paper Analysis",
  "Clean Explainer Video",
];

export const dashboardStats: DashboardStat[] = [
  { label: "Documents", value: "12", helper: "Uploaded this month", trend: "+4 new" },
  { label: "Study Outputs", value: "38", helper: "Notes, quizzes, flashcards", trend: "82% complete" },
  { label: "Weak Topics", value: "6", helper: "Need revision focus", trend: "-2 improved" },
  { label: "Exam Readiness", value: "74%", helper: "Sample preview score", trend: "+11%" },
];

export const features: Feature[] = [
  {
    title: "Upload Materials",
    description: "Add selectable-text PDFs or TXT exports of notes, chapters, and question papers.",
    href: "/upload",
    status: "Ready",
    icon: UploadCloud,
  },
  {
    title: "Smart Notes",
    description: "Turn dense study material into short, exam-focused notes with key terms.",
    href: "/generate/notes",
    status: "Preview",
    icon: BookOpen,
  },
  {
    title: "Quiz Builder",
    description: "Practice with MCQs, short answers, fill blanks, and answer keys.",
    href: "/generate/quiz",
    status: "Preview",
    icon: ClipboardCheck,
  },
  {
    title: "Flashcards",
    description: "Use active recall cards for formulas, definitions, and tricky concepts.",
    href: "/generate/flashcards",
    status: "Preview",
    icon: Layers3,
  },
  {
    title: "Exam Mode",
    description: "Generate clean 1-mark, 2-mark, and 4-mark answers in exam format.",
    href: "/generate/exam-mode",
    status: "Preview",
    icon: GraduationCap,
  },
  {
    title: "Previous Paper Analyzer",
    description: "Find repeated topics, question formats, and chapter weightage.",
    href: "/previous-papers",
    status: "Preview",
    icon: FileQuestion,
  },
  {
    title: "Weak Topic Tracker",
    description: "Track repeated mistakes and get revision suggestions before exams.",
    href: "/dashboard",
    status: "Preview",
    icon: Brain,
  },
  {
    title: "Clean Explainer Videos",
    description: "Create crisp explainer video previews with subtitles and diagram planning.",
    href: "/video-generator",
    status: "Preview",
    icon: PlaySquare,
  },
];

export const documents: StudyDocument[] = [
  {
    id: "doc-001",
    title: "Plus Two Biology - Human Reproduction",
    subject: "Biology",
    type: "PDF",
    uploadedAt: "Today",
    pages: 18,
    status: "Processed",
  },
  {
    id: "doc-002",
    title: "Chemistry Organic Notes - Alcohols",
    subject: "Chemistry",
    type: "Handwritten",
    uploadedAt: "Yesterday",
    pages: 9,
    status: "Ready for AI",
  },
  {
    id: "doc-003",
    title: "Kerala HSE Maths Previous Paper 2025",
    subject: "Mathematics",
    type: "Question Paper",
    uploadedAt: "2 days ago",
    pages: 12,
    status: "Processed",
  },
  {
    id: "doc-004",
    title: "Physics Textbook Page - Wave Optics",
    subject: "Physics",
    type: "Image",
    uploadedAt: "5 days ago",
    pages: 3,
    status: "Needs review",
  },
];

export const quizQuestions: QuizQuestion[] = [
  {
    id: "q-001",
    question: "Which hormone triggers ovulation in humans?",
    options: ["FSH", "LH", "Estrogen", "Progesterone"],
    answer: "LH",
    difficulty: "Easy",
  },
  {
    id: "q-002",
    question: "What is the main function of the corpus luteum?",
    options: ["Produces progesterone", "Forms the placenta", "Stores ova", "Controls fertilization"],
    answer: "Produces progesterone",
    difficulty: "Medium",
  },
  {
    id: "q-003",
    question: "Write one exam keyword connected to implantation.",
    options: ["Blastocyst", "Nephron", "Synapse", "Tendon"],
    answer: "Blastocyst",
    difficulty: "Exam",
  },
];

export const flashcards: FlashcardItem[] = [
  {
    id: "f-001",
    front: "What is implantation?",
    back: "Attachment of the blastocyst to the uterine wall. Keyword: endometrium.",
    tag: "Biology",
  },
  {
    id: "f-002",
    front: "Memory trick for LH surge",
    back: "LH means Let the egg Happen. It triggers ovulation.",
    tag: "Memory",
  },
  {
    id: "f-003",
    front: "Exam answer structure",
    back: "Definition first, one keyword, one function or example, no extra story.",
    tag: "Exam Mode",
  },
];

export const examAnswers: ExamAnswer[] = [
  {
    marks: "1 Mark",
    title: "Define ovulation.",
    answer: "Ovulation is the release of a mature ovum from the ovary.",
    keywords: ["mature ovum", "ovary"],
  },
  {
    marks: "2 Marks",
    title: "What is the role of LH?",
    answer:
      "LH causes the final maturation of the follicle and triggers ovulation. It also supports formation of the corpus luteum.",
    keywords: ["LH surge", "ovulation", "corpus luteum"],
  },
  {
    marks: "4 Marks",
    title: "Explain the menstrual cycle in exam format.",
    answer:
      "The menstrual cycle prepares the female reproductive system for pregnancy. FSH helps follicle growth, estrogen rebuilds the endometrium, LH triggers ovulation, and progesterone maintains the uterine lining.",
    keywords: ["FSH", "estrogen", "LH", "progesterone", "endometrium"],
  },
];

export const pricingPlans: PricingPlan[] = [
  {
    name: "Free Trial",
    price: "3 days",
    description: "Try DocDoe before choosing a monthly plan.",
    features: ["Daily Tuition preview", "Study Chat basics", "Limited practice generations"],
  },
  {
    name: "Popular",
    price: "INR 299/mo",
    description: "For daily tuition, revision, and guided exam practice.",
    features: ["Today's Tuition", "Study Chat", "Guided revision flow", "Progress tracking"],
    highlighted: true,
  },
  {
    name: "Premium",
    price: "INR 599/mo",
    description: "For heavier exam preparation with more practice and deeper revision.",
    features: ["Everything in Popular", "More study generations", "More guided exam practice", "Priority revision workflow"],
  },
];

export const weakTopics = [
  { topic: "Wave Optics derivations", accuracy: "48%", action: "Revise formulas" },
  { topic: "Organic reaction naming", accuracy: "55%", action: "Practice 10 MCQs" },
  { topic: "Menstrual cycle hormones", accuracy: "61%", action: "Review exam answers" },
];

export const activity = [
  "Generated smart notes from Biology PDF",
  "Completed 12-question quiz on Wave Optics",
  "Reviewed 8 flashcards before revision",
  "Uploaded Kerala HSE Maths previous paper",
];

export const aiPipelineSteps = [
  "Upload study material",
  "Extract concepts",
  "Rank study importance",
  "Generate study outputs",
];

export const productMetrics = [
  { label: "Intelligence modes", value: "8" },
  { label: "Study paths", value: "12" },
  { label: "Core engine", value: "Preview" },
];

export const highlightedMode = {
  icon: Sparkles,
  title: "Exam-focused tutor behavior",
  description:
    "Every preview output should include simple meaning, key words, memory tricks, exam answers, and quick checks.",
};

export const trendCards = [
  {
    title: "Chapter Weightage",
    value: "Human Reproduction",
    description: "Appeared often in sample previous-paper review.",
    icon: LineChart,
  },
  {
    title: "Practice Candidate",
    value: "LH surge role",
    description: "Good candidate for 2-mark answer practice.",
    icon: FileQuestion,
  },
];