Student Grades View

import SwiftUI

struct StudentGradesView: View {
    @State private var selectedPeriod = "Spring 2024"
    @State private var selectedTab = "Grades"
    
    // Dummy student data
    let student = Student(
        name: "Alex Johnson",
        id: "2024-0123",
        major: "Computer Science",
        gpa: 3.85,
        year: "Junior"
    )
    
    // Dummy courses data
    let courses = [
        Course(
            name: "Advanced Algorithms",
            code: "CS 401",
            grade: 94,
            credits: 4,
            professor: "Dr. Smith",
            category: .computerScience,
            assignments: [
                Assignment(name: "Midterm", score: 92, weight: 30),
                Assignment(name: "Final Project", score: 95, weight: 40),
                Assignment(name: "Homework", score: 94, weight: 30)
            ]
        ),
        Course(
            name: "Linear Algebra",
            code: "MATH 301",
            grade: 88,
            credits: 3,
            professor: "Dr. Johnson",
            category: .mathematics,
            assignments: [
                Assignment(name: "Midterm", score: 85, weight: 35),
                Assignment(name: "Final", score: 90, weight: 45),
                Assignment(name: "Quizzes", score: 89, weight: 20)
            ]
        ),
        Course(
            name: "Technical Writing",
            code: "ENG 205",
            grade: 91,
            credits: 3,
            professor: "Prof. Williams",
            category: .english,
            assignments: [
                Assignment(name: "Essay 1", score: 89, weight: 25),
                Assignment(name: "Research Paper", score: 93, weight: 35),
                Assignment(name: "Presentation", score: 90, weight: 40)
            ]
        ),
        Course(
            name: "Physics II",
            code: "PHYS 202",
            grade: 87,
            credits: 4,
            professor: "Dr. Brown",
            category: .science,
            assignments: [
                Assignment(name: "Lab Reports", score: 88, weight: 30),
                Assignment(name: "Midterm", score: 85, weight: 35),
                Assignment(name: "Final", score: 89, weight: 35)
            ]
        )
    ]
    
    var body: some View {
        NavigationStack {
            ScrollView {
                VStack(spacing: 24) {
                    // Student Summary Card
                    StudentSummaryCard(student: student)
                        .padding(.horizontal)
                    
                    // Period Selector
                    ScrollView(.horizontal, showsIndicators: false) {
                        HStack(spacing: 12) {
                            ForEach(["Spring 2024", "Fall 2023", "Summer 2023"], id: \.self) { period in
                                PeriodButton(
                                    period: period,
                                    isSelected: period == selectedPeriod,
                                    action: { selectedPeriod = period }
                                )
                            }
                        }
                        .padding(.horizontal)
                    }
                    
                    // Courses List
                    VStack(spacing: 16) {
                        ForEach(courses) { course in
                            CourseCard(course: course)
                        }
                    }
                    .padding(.horizontal)
                }
                .padding(.vertical)
            }
            .background(Color(uiColor: .systemGroupedBackground))
            .navigationTitle("Academic Progress")
            .toolbar {
                ToolbarItem(placement: .primaryAction) {
                    Menu {
                        Button(action: {}) {
                            Label("Share Progress", systemImage: "square.and.arrow.up")
                        }
                        Button(action: {}) {
                            Label("Print Report", systemImage: "printer")
                        }
                    } label: {
                        Image(systemName: "ellipsis.circle")
                    }
                }
            }
        }
    }
}

struct StudentSummaryCard: View {
    let student: Student
    
    var body: some View {
        VStack(spacing: 16) {
            HStack(alignment: .top) {
                VStack(alignment: .leading, spacing: 4) {
                    Text(student.name)
                        .font(.title2)
                        .bold()
                    Text(student.major)
                        .font(.subheadline)
                        .foregroundColor(.secondary)
                    Text("Student ID: \(student.id)")
                        .font(.caption)
                        .foregroundColor(.secondary)
                }
                
                Spacer()
                
                ZStack {
                    Circle()
                        .stroke(Color.blue.opacity(0.2), lineWidth: 4)
                        .frame(width: 60, height: 60)
                    
                    Circle()
                        .trim(from: 0, to: CGFloat(student.gpa / 4.0))
                        .stroke(Color.blue, style: StrokeStyle(
                            lineWidth: 4,
                            lineCap: .round
                        ))
                        .frame(width: 60, height: 60)
                        .rotationEffect(.degrees(-90))
                    
                    VStack {
                        Text("\(student.gpa, specifier: "%.2f")")
                            .font(.system(.title3, design: .rounded))
                            .bold()
                        Text("GPA")
                            .font(.caption2)
                            .foregroundColor(.secondary)
                    }
                }
            }
            
            Divider()
            
            HStack {
                StatisticView(title: "Credits", value: "14")
                Divider()
                StatisticView(title: "Classes", value: "4")
                Divider()
                StatisticView(title: "Year", value: student.year)
            }
        }
        .padding()
        .background(Color(uiColor: .systemBackground))
        .cornerRadius(16)
        .shadow(radius: 2)
    }
}

struct CourseCard: View {
    let course: Course
    
    var gradeColor: Color {
        switch course.grade {
        case 90...100: return .green
        case 80..<90: return .blue
        case 70..<80: return .yellow
        default: return .red
        }
    }
    
    var body: some View {
        VStack(spacing: 16) {
            HStack {
                VStack(alignment: .leading, spacing: 4) {
                    Text(course.name)
                        .font(.headline)
                    Text(course.code)
                        .font(.subheadline)
                        .foregroundColor(.secondary)
                }
                
                Spacer()
                
                Text("\(course.grade, specifier: "%.0f")%")
                    .font(.system(.title2, design: .rounded))
                    .bold()
                    .foregroundColor(gradeColor)
            }
            
            Divider()
            
            // Assignments
            VStack(spacing: 12) {
                ForEach(course.assignments) { assignment in
                    AssignmentRow(assignment: assignment)
                }
            }
            
            // Professor info
            HStack {
                Image(systemName: "person.circle.fill")
                    .foregroundColor(.secondary)
                Text(course.professor)
                    .font(.caption)
                    .foregroundColor(.secondary)
                
                Spacer()
                
                Image(systemName: "book.closed.circle.fill")
                    .foregroundColor(.secondary)
                Text("\(course.credits) Credits")
                    .font(.caption)
                    .foregroundColor(.secondary)
            }
        }
        .padding()
        .background(Color(uiColor: .systemBackground))
        .cornerRadius(16)
        .shadow(radius: 2)
    }
}

struct AssignmentRow: View {
    let assignment: Assignment
    
    var body: some View {
        HStack {
            Text(assignment.name)
                .font(.subheadline)
            
            Spacer()
            
            Text("\(assignment.score, specifier: "%.0f")%")
                .font(.subheadline)
                .bold()
            
            Text("(\(assignment.weight)%)")
                .font(.caption)
                .foregroundColor(.secondary)
        }
    }
}

struct PeriodButton: View {
    let period: String
    let isSelected: Bool
    let action: () -> Void
    
    var body: some View {
        Button(action: action) {
            Text(period)
                .font(.subheadline)
                .padding(.horizontal, 16)
                .padding(.vertical, 8)
                .background(isSelected ? Color.blue : Color(uiColor: .systemGray5))
                .foregroundColor(isSelected ? .white : .primary)
                .cornerRadius(20)
        }
    }
}

struct StatisticView: View {
    let title: String
    let value: String
    
    var body: some View {
        VStack(spacing: 4) {
            Text(title)
                .font(.caption)
                .foregroundColor(.secondary)
            Text(value)
                .font(.headline)
        }
        .frame(maxWidth: .infinity)
    }
}

// Models
struct Student {
    let name: String
    let id: String
    let major: String
    let gpa: Double
    let year: String
}

struct Course: Identifiable {
    let id = UUID()
    let name: String
    let code: String
    let grade: Double
    let credits: Int
    let professor: String
    let category: CourseCategory
    let assignments: [Assignment]
}

struct Assignment: Identifiable {
    let id = UUID()
    let name: String
    let score: Double
    let weight: Int
}

enum CourseCategory {
    case computerScience
    case mathematics
    case english
    case science
}