//
//  Role.swift
//  
//
//  Created by Michiel Carman on 10/24/21.
//

import Foundation
import Vapor
import Fluent
import FluentPostgresDriver

final class mdlRole: Model, Content{
    struct Input: Content{
        let id: Int?
        let name: String
        let description: String
        let users: [mdlUser]?
    }
    
    struct Output: Content{
        let id: Int?
        let name: String
        let description: String
        let users: [mdlUser]?
    }
    
    static let schema = "Role"
    
    @ID(custom: "id", generatedBy: .database) var id: Int?
    @Field(key: "name") var name: String
    @Field(key: "description") var description: String
    
    @Siblings(through: mdlXUserRole.self, from: \.$role, to: \.$user) public var users: [mdlUser]
    
    init(){}
    
    init(id: Int? = nil){
        self.id = id
    }
    
    init(id: Int? = nil, name: String, description: String, users: [mdlUser]?){
        self.id = id
        self.name = name
        self.description = description
        self.$users.value = users
    }
}

extension mdlRole {
    struct create: Migration{
        func prepare(on database: Database) -> EventLoopFuture<Void> {
            return database.schema("Role")
                .field("id", .int, .identifier(auto: true))
                .field("name", .string)
                .field("description", .string)
                .create()
        }
        func revert(on database: Database) -> EventLoopFuture<Void> {
            database.schema("Role").delete()
        }
    }
    struct seed: Migration {
        func prepare(on database: Database) -> EventLoopFuture<Void> {
            // 1
            let array: [mdlRole] = [
                .init(id: -1, name: "SuperAdmin", description: "System User Account", users: [])
            ]
            // 2
            return array.map { obj in
                obj.save(on: database)
            }
            .flatten(on: database.eventLoop)
        }
        
        func revert(on database: Database) -> EventLoopFuture<Void> {
            // 3
            mdlRole.query(on: database).delete()
        }
    }
}