//
//  UserCtrl.swift
//  
//
//  Created by Michiel Carman on 11/2/21.
//

import Foundation
import Vapor
import Fluent
import FluentPostgresDriver

final class UserCtrl{
    //Create Unit
    func create(req: Request) throws -> EventLoopFuture<mdlUser.Output>{
        let input = try req.content.decode(mdlUser.Input.self)
        let output = self.createUnit(input)
        return self.save(output, req, input)
        
    }
    
    //Update Unit
    func update(req: Request) throws -> EventLoopFuture<mdlUser.Output>{
        let input = try req.content.decode(mdlUser.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<mdlUser.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<mdlUser.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 mdlUser.find(id, on: req.db).unwrap(or: Abort(.notFound)).flatMap{ $0.delete(on: req.db)}.map{.ok}
    }
    
}
extension UserCtrl{
    //Query Settings
    func qbase(req: Request) throws -> QueryBuilder<mdlUser> {
        let query = mdlUser.query(on:  req.db)
            .with(\.$division)
            .with(\.$inspections)
            .with(\.$roles)
            .with(\.$modules)
            .with(\.$workorders)
            .with(\.$labsettings)
        if let id = req.parameters.get("id", as: Int.self){
            return query.filter(\.$id == id)
        } else{
            return query
        }
    }
    //create Output
    func createRead(_ output: mdlUser) -> mdlUser.Output {
        return mdlUser.Output(
            id: output.id!,
            number: output.number,
            firstname: output.firstname,
            lastname: output.lastname,
            username: output.username,
            password: output.password,
            activationcode: output.activationcode,
            isactive: output.isactive,
            createdate: output.createdate,
            createuserid: output.createuserid,
            updatedate: output.updatedate,
            updateuserid: output.updateuserid,
            division: output.$division.value!,
            inspections: output.$inspections.value!,
            roles: output.$roles.value!,
            modules: output.$modules.value!,
            workorderusers: output.$workorders.value!,
            labsettings: output.$labsettings.value!
        )
    }
    
    func mapOutput(_ output: Optional<mdlUser>.WrappedType, _ input: mdlUser.Input){
        output.number = input.number;
        output.firstname = input.firstname;
        output.lastname = input.lastname;
        output.username = input.username;
        output.password = input.password;
        output.activationcode = input.activationcode;
        output.isactive = input.isactive;
        output.createdate = input.createdate;
        output.updatedate = input.updatedate;
        output.createuserid = input.createuserid;
        output.updateuserid = input.updateuserid;
        output.$division.id = input.division.id!;
        output.$inspections.value = input.inspections;
        output.$roles.value = input.roles;
        output.$modules.value = input.modules;
        output.$workorders.value = input.workorderusers;
        output.$labsettings.value = input.labsettings
    }
    
    func createUnit(_ input: mdlUser.Input) -> mdlUser {
        return mdlUser(
            id: input.id ?? nil
            , number: input.number
            , firstname: input.firstname
            , lastname: input.lastname
            , username: input.username
            , password: input.password
            , activationcode: input.activationcode
            , isactive: input.isactive
            , createuserid: input.createuserid ?? -1
            , createdate: input.createdate
            , updateuserid: input.updateuserid ?? -1
            , updatedate: input.updatedate
            , division: input.division
            , roles: input.roles
            , modules: input.modules
            , workorderusers: input.workorderusers
            , inspections: input.inspections
            , labsettings: input.labsettings
        )
    }
    
    //update function
    func save(_ output: Optional<mdlUser>.WrappedType, req: Request) -> EventLoopFuture<mdlUser.Output> {
        return output
            .save(on: req.db)
            .map{mdlUser.Output(
                id: output.id!
                , number: output.number
                , firstname: output.firstname
                , lastname: output.lastname
                , username: output.username
                , password: output.password
                , activationcode: output.activationcode
                , isactive: output.isactive
                , createdate: output.createdate
                , createuserid: output.createuserid
                , updatedate: output.updatedate
                , updateuserid: output.updateuserid
                , division: output.division
                , inspections: output.inspections
                , roles: output.roles
                , modules: output.modules
                , workorderusers: output.workorders
                , labsettings: output.labsettings
            )
            }
    }
    //create function
    func save(_ output: mdlUser, _ req: Request, _ input: mdlUser.Input) -> EventLoopFuture<mdlUser.Output> {
        return output
            .save(on: req.db)
            .map{
                mdlUser.Output(
                    id: output.id!
                    , number: output.number
                    , firstname: output.firstname
                    , lastname: output.lastname
                    , username: output.username
                    , password: output.password
                    , activationcode: output.activationcode
                    , isactive: output.isactive
                    , createdate: output.createdate
                    , createuserid: output.createuserid
                    , updatedate: output.updatedate
                    , updateuserid: output.updateuserid
                    , division: input.division
                    , inspections: input.inspections
                    , roles: input.roles
                    , modules: input.modules
                    , workorderusers: input.workorderusers
                    , labsettings: input.labsettings
                )
                
            }
    }
    
}
extension UserCtrl: RouteCollection{
    func boot(routes: RoutesBuilder) throws{
        let apigroup = routes.grouped("users")
        apigroup.get("", use: readAll)
        apigroup.get(":id", use: read)
        apigroup.post("", use: create)
        apigroup.post(":id", use: update)
        apigroup.delete(":id", use: delete)
        
        
    }
}