//
//  InstanceV2.swift
//  Pachyderm
//
//  Created by Shadowfacts on 12/4/23.
//

import Foundation

public struct InstanceV2: Decodable, Sendable {
    public let domain: String
    public let title: String
    public let version: String
    public let sourceURL: String
    public let description: String
    public let usage: Usage
    public let thumbnail: Thumbnail
    public let languages: [String]
    public let configuration: Configuration
    public let registrations: Registrations
    public let contact: Contact
    public let rules: [InstanceV1.Rule]
    
    private enum CodingKeys: String, CodingKey {
        case domain
        case title
        case version
        case sourceURL = "source_url"
        case description
        case usage
        case thumbnail
        case languages
        case configuration
        case registrations
        case contact
        case rules
    }
}

extension InstanceV2 {
    public struct Usage: Decodable, Sendable {
        public let users: Users
    }
    public struct Users: Decodable, Sendable {
        public let activeMonth: Int
        private enum CodingKeys: String, CodingKey {
            case activeMonth = "active_month"
        }
    }
}

extension InstanceV2 {
    public struct Thumbnail: Decodable, Sendable {
        public let url: String
        public let blurhash: String?
        public let versions: ThumbnailVersions
    }
    
    public struct ThumbnailVersions: Decodable, Sendable {
        public let oneX: String?
        public let twoX: String?
        private enum CodingKeys: String, CodingKey {
            case oneX = "@1x"
            case twoX = "@2x"
        }
    }
}

extension InstanceV2 {
    public struct Configuration: Decodable, Sendable {
        public let urls: URLs
        public let accounts: Accounts
        public let statuses: InstanceV1.StatusesConfiguration
        public let mediaAttachments: InstanceV1.MediaAttachmentsConfiguration
        public let polls: InstanceV1.PollsConfiguration
        public let translation: Translation
        
        private enum CodingKeys: String, CodingKey {
            case urls
            case accounts
            case statuses
            case mediaAttachments = "media_attachments"
            case polls
            case translation
        }
    }
    
    public struct URLs: Decodable, Sendable {
        // the docs incorrectly say the key for this is "streaming_api"
        public let streaming: String
    }
    
    public struct Accounts: Decodable, Sendable {
        public let maxFeaturedTags: Int
        
        private enum CodingKeys: String, CodingKey {
            case maxFeaturedTags = "max_featured_tags"
        }
    }
    
    public struct Translation: Decodable, Sendable {
        public let enabled: Bool
    }
}

extension InstanceV2 {
    public struct Registrations: Decodable, Sendable {
        public let enabled: Bool
        public let approvalRequired: Bool
        public let message: String?
        
        private enum CodingKeys: String, CodingKey {
            case enabled
            case approvalRequired = "approval_required"
            case message
        }
    }
}

extension InstanceV2 {
    public struct Contact: Decodable, Sendable {
        public let email: String
        public let account: Account
    }
}