//
//  mdlUser.swift
//
//
//  Created by Michiel Carman on 4/11/2024.
//


import Fluent
import Vapor
import Foundation
import FluentKit

final class mdlAssociate: Model, Content {
    static let schema = "associate"
    
    @ID(custom: "id", generatedBy: .database) var id: Int?
    
    @Field(key: "firstName") var firstname: String
    @Field(key: "lastName") var lastname: String
    @Field(key: "userName") var username: String
    @Field(key: "password") var password: String
    
    @Siblings(through: mdlXAssocDept.self, from: \.$associate, to: \.$department) var departments: [mdlDepartment]
    
    @Timestamp(key: "createDate", on: .create) var createdate: Date?
    @Field(key: "createUserId") var createuserid: Int?
    @Timestamp(key: "updateDate", on: .update) var updatedate: Date?
    @Field(key: "updateUserId") var updateuserid: Int?
    
    init() { }
    
    init(id: Int? = nil,
         firstname: String,
         lastname: String,
         username: String,
         password: String ,
         createuserid: Int? = nil,
         updateuserid: Int? = nil
    ) {
        self.id = id
        self.firstname = firstname
        self.lastname = lastname
        self.username = username
        self.password = password
        self.createuserid = createuserid
        self.updateuserid = updateuserid
    }
}
extension mdlAssociate{
    struct Create: AsyncMigration {
        func prepare(on database: Database) async throws {
            try await database.schema("associate")
                .field("id", .int, .identifier(auto: true))
                .field("firstName", .string)
                .field("lastName", .string)
//                .field("userName", .string)
//                .field("password", .string)
                .field("createDate", .datetime)
                .field("createUserId", .int)
                .field("updateDate", .datetime)
                .field("updateUserId", .int)
                .create()
        }
        
        func revert(on database: Database) async throws {
            try await database.schema("associate").delete()
        }
    }
    struct Mod1: AsyncMigration{
        func prepare(on database: Database) async throws {
            try await database.schema("associate")
                .field("userName", .string).unique(on: "userName")
                .field("password", .string)
                .update()
        }
        func revert(on database: Database) async throws {
            try await database.schema("associate")
                .deleteField("userName")
                .deleteField("password")
                .update()
        }
    }
    
    public static func ObjQuery(req: Request) async throws -> QueryBuilder<mdlAssociate>{
        
        let query = mdlAssociate.query(on: req.db)
            .with(\.$departments){
                dept in dept.with(\.$documents){
                    doc in doc
                        .with(\.$doctype)
                        .with(\.$parent)
                        .with(\.$subsequent)
                }
            }
        
        if let x = req.parameters.get("x"){
            let decryptedString = try CustomCrypto.DecryptString(input: x)
            let array =  decryptedString.components(separatedBy: ":")
            ///This call is the standard get by id call
            if (array.count == 1){
                let id = Int(array[0])!
                return query.filter(\.$id == id)
            }
            ///Optional else if if there are multiple parameters in the call
            ///You must include an else for each call that has parameters
            ///Need to check the endpoint to get the right filter statements
            ///else if(x.count == 2){
            ///    let username = x[0]
            ///    let password = x[1]
            ///    return query.filter(\.$username == username).filter(\.$password == password)
            ///}
            else{
                throw Abort(.badRequest)
            }
            
        }
        else{
            return query
        }
    }
}
extension mdlAssociate{
    struct CreateUser: Content{
        var username: String
        var password: String
        var confirmpassword: String
        var firstname: String
        var lastname: String
    }
    struct Output: Content{
        var id: Int?
        var firstname: String
        var lastname: String
    }
}
extension mdlAssociate.CreateUser: Validatable{
    static func validations(_ validations: inout Validations){
        validations.add("firstname", as: String.self, is: !.empty)
        validations.add("lastname", as: String.self, is: !.empty)
        validations.add("username", as: String.self, is: !.empty)
        validations.add("password", as: String.self, is: .count(8...))
    }
}
extension mdlAssociate: ModelAuthenticatable{
    static let usernameKey = \mdlAssociate.$username
    
    static var passwordHashKey = \mdlAssociate.$password
    
    func verify(password: String) throws -> Bool {
        try Bcrypt.verify(password, created: self.password)
    }
    
    
}
extension mdlAssociate{
    func generateToken() async throws -> mdlToken {
            try .init(
                value: [UInt8].random(count: 16).base64,
                userid: self.requireID()
            )
        }
}