//
//  RulePreset.swift
//  Severed
//

import SwiftUI

/// A suggested schedule rule shown in the New Rule sheet's preset gallery,
/// mirroring the reference app's sections and timings.
struct RulePreset: Identifiable, Hashable, Sendable {
    let id: String
    let name: String
    let startMinutes: Int
    let endMinutes: Int
    let days: Set<Weekday>
    let symbolName: String
    /// Gradient stand-in for the reference app's photo backgrounds.
    let gradientTop: Color
    let gradientBottom: Color

    var schedule: RuleSchedule {
        RuleSchedule(startMinutes: startMinutes, endMinutes: endMinutes, days: days)
    }
}

/// A titled group of presets ("Get More Done", "Sleep, Relax and Reset", …).
struct RulePresetSection: Identifiable, Hashable, Sendable {
    let id: String
    let title: String
    let subtitle: String
    let presets: [RulePreset]

    static let all: [RulePresetSection] = [
        RulePresetSection(
            id: "productivity",
            title: "Get More Done",
            subtitle: "Maximize your productivity while staying sane.",
            presets: [
                RulePreset(
                    id: "work-time", name: "Work Time",
                    startMinutes: 9 * 60, endMinutes: 17 * 60, days: Weekday.weekdays,
                    symbolName: "briefcase.fill",
                    gradientTop: Color(red: 0.16, green: 0.27, blue: 0.22),
                    gradientBottom: Color(red: 0.05, green: 0.10, blue: 0.08)
                ),
                RulePreset(
                    id: "laser-focus", name: "Laser Focus",
                    startMinutes: 14 * 60, endMinutes: 18 * 60, days: Weekday.weekdays,
                    symbolName: "scope",
                    gradientTop: Color(red: 0.13, green: 0.20, blue: 0.33),
                    gradientBottom: Color(red: 0.04, green: 0.06, blue: 0.12)
                ),
            ]
        ),
        RulePresetSection(
            id: "sleep",
            title: "Sleep, Relax and Reset",
            subtitle: "Sleep better, rise refreshed.",
            presets: [
                RulePreset(
                    id: "wind-down", name: "Wind Down",
                    startMinutes: 20 * 60, endMinutes: 22 * 60, days: Weekday.everyDay,
                    symbolName: "moon.haze.fill",
                    gradientTop: Color(red: 0.25, green: 0.18, blue: 0.33),
                    gradientBottom: Color(red: 0.08, green: 0.05, blue: 0.12)
                ),
                RulePreset(
                    id: "deep-sleep", name: "Deep Sleep",
                    startMinutes: 22 * 60, endMinutes: 6 * 60, days: Weekday.everyDay,
                    symbolName: "moon.zzz.fill",
                    gradientTop: Color(red: 0.10, green: 0.13, blue: 0.30),
                    gradientBottom: Color(red: 0.02, green: 0.03, blue: 0.10)
                ),
            ]
        ),
        RulePresetSection(
            id: "habits",
            title: "Build Healthy Habits",
            subtitle: "Spend time on important things.",
            presets: [
                RulePreset(
                    id: "reading-time", name: "Reading Time",
                    startMinutes: 19 * 60 + 45, endMinutes: 20 * 60 + 45, days: Weekday.everyDay,
                    symbolName: "book.fill",
                    gradientTop: Color(red: 0.33, green: 0.23, blue: 0.13),
                    gradientBottom: Color(red: 0.12, green: 0.07, blue: 0.03)
                ),
                RulePreset(
                    id: "gym-time", name: "Gym Time",
                    startMinutes: 17 * 60 + 30, endMinutes: 18 * 60 + 30, days: Weekday.everyDay,
                    symbolName: "figure.run",
                    gradientTop: Color(red: 0.13, green: 0.30, blue: 0.30),
                    gradientBottom: Color(red: 0.03, green: 0.10, blue: 0.10)
                ),
            ]
        ),
    ]
}