KisaniCal/KisaniCal/Managers/TutorialManager.swift

import SwiftUI

struct TutorialStep {
    let title: String
    let body: String
    let icon: String
    let anchorIndex: Int
}

struct PageTip {
    let title: String
    let body: String
    let icon: String
}

@MainActor
final class TutorialManager: ObservableObject {
    static let shared = TutorialManager()

    // MARK: - Tab onboarding (existing)
    @AppStorage("kisani.tutorial.done.v1") private(set) var completed: Bool = false
    @Published var step: Int = 0

    let steps: [TutorialStep] = [
        .init(title: "Add Tasks with NLP",
              body: "Type naturally — \"dentist tomorrow 3pm\" or \"mum's birthday on 8th June every year\" — Wenza parses the date, time, and recurrence for you.",
              icon: "sparkles",
              anchorIndex: 0),
        .init(title: "Calendar",
              body: "See tasks and iPhone calendar events side-by-side, day by day. Nothing falls through the cracks.",
              icon: "calendar",
              anchorIndex: 1),
        .init(title: "Eisenhower Matrix",
              body: "Sort tasks into Urgent, Schedule, Delegate, or Eliminate. Focus on what actually moves the needle.",
              icon: "square.grid.2x2",
              anchorIndex: 2),
        .init(title: "Workout Tracker",
              body: "Build programs, log sets, and keep your streak alive. Your gym routine lives right here.",
              icon: "dumbbell",
              anchorIndex: 3),
    ]

    var isActive: Bool { !completed }
    var current: TutorialStep { steps[min(step, steps.count - 1)] }
    var isLast: Bool { step == steps.count - 1 }

    func advance() {
        if isLast { withAnimation(KisaniSpring.exit) { completed = true } }
        else { withAnimation(KisaniSpring.entrance) { step += 1 } }
    }

    func skip() {
        withAnimation(KisaniSpring.exit) { completed = true }
    }

    // MARK: - Today view tutorial
    @AppStorage("kisani.tutorial.today.v1") var todayDone: Bool = false
    @Published var todayStep: Int = 0

    let todayTips: [PageTip] = [
        .init(title: "Today's Focus",
              body: "Everything due today lives here — overdue items appear at the top so nothing slips through. Tap any task to open it.",
              icon: "checkmark.circle"),
        .init(title: "Add Tasks Instantly",
              body: "Tap + and type naturally. \"Doctor Wednesday 2pm\" or \"Neo's birthday 15 June yearly\" — Wenza handles dates, times, and recurrence.",
              icon: "sparkles"),
        .init(title: "Quick Actions",
              body: "Long-press a task to pin, postpone, or move it to a matrix quadrant. Swipe left to delete.",
              icon: "hand.tap"),
    ]

    var todayIsActive: Bool { !todayDone }
    var todayCurrent: PageTip { todayTips[min(todayStep, todayTips.count - 1)] }
    var todayIsLast: Bool { todayStep == todayTips.count - 1 }

    func advanceToday() {
        if todayIsLast { withAnimation(KisaniSpring.exit) { todayDone = true } }
        else { withAnimation(KisaniSpring.entrance) { todayStep += 1 } }
    }
    func skipToday() { withAnimation(KisaniSpring.exit) { todayDone = true } }

    // MARK: - Workout view tutorial
    @AppStorage("kisani.tutorial.workout.v1") var workoutDone: Bool = false
    @Published var workoutStep: Int = 0

    let workoutTips: [PageTip] = [
        .init(title: "Set Up Your Programs",
              body: "Tap ··· to create workout programs and assign them to days of the week. Each program holds your exercises and target sets.",
              icon: "calendar.badge.plus"),
        .init(title: "Log Your Sets",
              body: "Tap each set row to mark it complete as you train. The dot grid at the top shows your session progress in real-time.",
              icon: "checkmark.square"),
        .init(title: "Build Your Streak",
              body: "Complete every scheduled workout day to grow your streak. Consistency compounds — your streak is shown at the top.",
              icon: "flame"),
    ]

    var workoutIsActive: Bool { !workoutDone }
    var workoutCurrent: PageTip { workoutTips[min(workoutStep, workoutTips.count - 1)] }
    var workoutIsLast: Bool { workoutStep == workoutTips.count - 1 }

    func advanceWorkout() {
        if workoutIsLast { withAnimation(KisaniSpring.exit) { workoutDone = true } }
        else { withAnimation(KisaniSpring.entrance) { workoutStep += 1 } }
    }
    func skipWorkout() { withAnimation(KisaniSpring.exit) { workoutDone = true } }
}