//
//  Account.swift
//  Pachyderm
//
//  Created by Shadowfacts on 9/8/18.
//  Copyright © 2018 Shadowfacts. All rights reserved.
//

import Foundation

public class Account: Decodable, ClientModel {
    var client: Client! {
        didSet {
            emojis.client = client
        }
    }
    
    public let id: String
    public let username: String
    public let acct: String
    public let displayName: String
    public let locked: Bool
    public let createdAt: Date
    public let followersCount: Int
    public let followingCount: Int
    public let statusesCount: Int
    public let note: String
    public let url: URL
    public let avatar: URL
    public let avatarStatic: URL
    public let header: URL
    public let headerStatic: URL
    public private(set) var emojis: [Emoji]
    public let moved: Bool?
    public let fields: [Field]?
    public let bot: Bool?
    
    public func authorizeFollowRequest(completion: @escaping Client.Callback<Empty>) {
        let request = Request<Empty>(method: .post, path: "/api/v1/follow_requests/\(id)/authorize")
        client.run(request, completion: completion)
    }
    
    public func rejectFollowRequest(completion: @escaping Client.Callback<Empty>) {
        let request = Request<Empty>(method: .post, path: "/api/v1/follow_requests/\(id)/reject")
        client.run(request, completion: completion)
    }
    
    public func removeFromFollowRequests(completion: @escaping Client.Callback<Empty>) {
        let request = Request<Empty>(method: .delete, path: "/api/v1/suggestions/\(id)")
        client.run(request, completion: completion)
    }
    
    public func getFollowers(range: RequestRange = .default, completion: @escaping Client.Callback<[Account]>) {
        var request = Request<[Account]>(method: .get, path: "/api/v1/accounts/\(id)/followers")
        request.range = range
        client.run(request, completion: completion)
    }
    
    public func getFollowing(range: RequestRange = .default, completion: @escaping Client.Callback<[Account]>) {
        var request = Request<[Account]>(method: .get, path: "/api/v1/accounts/\(id)/following")
        request.range = range
        client.run(request, completion: completion)
    }
    
    public func getStatuses(range: RequestRange = .default, onlyMedia: Bool? = nil, pinned: Bool? = nil, excludeReplies: Bool? = nil, completion: @escaping Client.Callback<[Status]>) {
        var request = Request<[Status]>(method: .get, path: "/api/v1/accounts/\(id)/statuses", queryParameters: [
                "only_media" => onlyMedia,
                "pinned" => pinned,
                "exclude_replies" => excludeReplies
            ])
        request.range = range
        client.run(request, completion: completion)
    }
    
    public func follow(completion: @escaping Client.Callback<Relationship>) {
        let request = Request<Relationship>(method: .post, path: "/api/v1/accounts/\(id)/follow")
        client.run(request, completion: completion)
    }
    
    public func unfollow(completion: @escaping Client.Callback<Relationship>) {
        let request = Request<Relationship>(method: .post, path: "/api/v1/accounts/\(id)/unfollow")
        client.run(request, completion: completion)
    }
    
    public func block(completion: @escaping Client.Callback<Relationship>) {
        let request = Request<Relationship>(method: .post, path: "/api/v1/accounts/\(id)/block")
        client.run(request, completion: completion)
    }
    
    public func unblock(completion: @escaping Client.Callback<Relationship>) {
        let request = Request<Relationship>(method: .post, path: "/api/v1/accounts/\(id)/unblock")
        client.run(request, completion: completion)
    }
    
    public func mute(notifications: Bool? = nil, completion: @escaping Client.Callback<Relationship>) {
        let request = Request<Relationship>(method: .post, path: "/api/v1/accounts/\(id)/mute", body: .parameters([
                "notifications" => notifications
            ]))
        client.run(request, completion: completion)
    }
    
    public func unmute(completion: @escaping Client.Callback<Relationship>) {
        let request = Request<Relationship>(method: .post, path: "/api/v1/accounts/\(id)/unmute")
        client.run(request, completion: completion)
    }
    
    public func getLists(completion: @escaping Client.Callback<[List]>) {
        let request = Request<[List]>(method: .get, path: "/api/v1/accounts/\(id)/lists")
        client.run(request, completion: completion)
    }
    
    private enum CodingKeys: String, CodingKey {
        case id
        case username
        case acct
        case displayName = "display_name"
        case locked
        case createdAt = "created_at"
        case followersCount = "followers_count"
        case followingCount = "following_count"
        case statusesCount = "statuses_count"
        case note
        case url
        case avatar
        case avatarStatic = "avatar_static"
        case header
        case headerStatic = "header_static"
        case emojis
        case moved
        case fields
        case bot
    }
}

extension Account: CustomDebugStringConvertible {
    public var debugDescription: String {
        return "Account(\(id), \(acct))"
    }
}

extension Account {
    public struct Field: Codable {
        let name: String
        let value: String
    }
}