//
//  ContractCtrl.swift
//  
//
//  Created by Michiel Carman on 11/5/21.
//

import Foundation
import Vapor
import Fluent
import FluentPostgresDriver

final class ContactCtrl{
    //Create Unit
    func create(req: Request) throws -> EventLoopFuture<mdlContact.Output>{
        let input = try req.content.decode(mdlContact.Input.self)
        let output = self.createUnit(input)
        return self.save(output, req, input)
        
    }
    
    //Update Unit
    func update(req: Request) throws -> EventLoopFuture<mdlContact.Output>{
        let input = try req.content.decode(mdlContact.Input.self)
        return try qbase(req: req).first().unwrap(or: Abort(.notFound)).flatMap{output in self.mapOutput(output, input)
            return self.save(output, req: req)
        }
    }
    
    //Get all Divisions
    func readAll(req: Request) throws -> EventLoopFuture<Page<mdlContact.Output>>{
        return try qbase(req: req)
            .paginate(for: req)
            .map{
                page in page.map{
                    self.createRead($0)
                }
            }
    }
    //Get 1 Division
    func read(req: Request) throws -> EventLoopFuture<mdlContact.Output>{
        
        return try qbase(req: req).first().unwrap(or: Abort(.internalServerError)).map{self.createRead($0)}
        
    }
    //Delete 1 Division
    func delete(req: Request) throws -> EventLoopFuture<HTTPStatus>{
        
        guard let id = req.parameters.get("id", as: Int.self) else{
            throw Abort(.badRequest)
        }
        return mdlContact.find(id, on: req.db).unwrap(or: Abort(.notFound)).flatMap{ $0.delete(on: req.db)}.map{.ok}
    }
    
}
extension ContactCtrl{
    //Query Settings
    func qbase(req: Request) throws -> QueryBuilder<mdlContact> {
        let query = mdlContact.query(on:  req.db).with(\.$customer).with(\.$location).with(\.$contacttypes).with(\.$files)
        if let id = req.parameters.get("id", as: Int.self){
            return query.filter(\.$id == id)
        } else{
            return query
        }
    }
    //create Output
    func createRead(_ output: mdlContact) -> mdlContact.Output {
        return mdlContact.Output(
            id: output.id!,
            firstname: output.firstname,
            lastname: output.lastname,
            isactive: output.isactive,
            createdate: output.createdate,
            createuserid: output.createuserid,
            updatedate: output.updatedate,
            updateuserid: output.updateuserid,
            customer: output.$customer.value!,
            location: output.$location.value!,
            contacttypes: output.$contacttypes.value!,
            files: output.$files.value!
        )
    }
    
    func mapOutput(_ output: Optional<mdlContact>.WrappedType, _ input: mdlContact.Input){
        output.firstname = input.firstname;
        output.lastname = input.lastname;
        output.isactive = input.isactive;
        output.createdate = input.createdate;
        output.updatedate = input.updatedate;
        output.createuserid = input.createuserid;
        output.updateuserid = input.updateuserid;
        output.$customer.id = input.customer.id!;
        output.$location.id = input.location.id!;
        output.$contacttypes.value = input.contacttypes;
        output.$files.value = input.files
    }
    
    func createUnit(_ input: mdlContact.Input) -> mdlContact {
        return mdlContact(
            id: input.id ?? nil
            , firstname: input.firstname
            , lastname: input.lastname
            , isactive: input.isactive
            , createuserid: input.createuserid ?? -1
            , createdate: input.createdate
            , updateuserid: input.updateuserid ?? -1
            , updatedate: input.updatedate
            , customer: input.customer
            , location: input.location
            , contacttypes: input.contacttypes
            , files: input.files
        )
    }
    
    //update function
    func save(_ output: Optional<mdlContact>.WrappedType, req: Request) -> EventLoopFuture<mdlContact.Output> {
        return output
            .save(on: req.db)
            .map{mdlContact.Output(
                id: output.id!
                , firstname: output.firstname
                , lastname: output.lastname
                , isactive: output.isactive
                , createdate: output.createdate
                , createuserid: output.createuserid
                , updatedate: output.updatedate
                , updateuserid: output.updateuserid
                , customer: output.customer
                , location: output.location
                , contacttypes: output.contacttypes
                , files: output.files
            )
        }
    }
    //create function
    func save(_ output: mdlContact, _ req: Request, _ input: mdlContact.Input) -> EventLoopFuture<mdlContact.Output> {
        return output
            .save(on: req.db)
            .map{
                mdlContact.Output(
                    id: output.id!
                    , firstname: output.firstname
                    , lastname: output.lastname
                    , isactive: output.isactive
                    , createdate: output.createdate
                    , createuserid: output.createuserid
                    , updatedate: output.updatedate
                    , updateuserid: output.updateuserid
                    , customer: input.customer
                    , location: input.location
                    , contacttypes: input.contacttypes
                    , files: input.files
                )
                
            }
    }
    
}
extension ContactCtrl: RouteCollection{
    func boot(routes: RoutesBuilder) throws{
        let apigroup = routes.grouped("contacts")
        apigroup.get("", use: readAll)
        apigroup.get(":id", use: read)
        apigroup.post("", use: create)
        apigroup.post(":id", use: update)
        apigroup.delete(":id", use: delete)
        
        
    }
}