//
//  MachineCtrl.swift
//  
//
//  Created by Michiel Carman on 11/9/21.
//

import Foundation
import Vapor
import Fluent
import FluentPostgresDriver

final class MachineCtrl{
    //Create Unit
    func create(req: Request) throws -> EventLoopFuture<mdlMachine.Output>{
        let input = try req.content.decode(mdlMachine.Input.self)
        let output = self.createUnit(input)
        return self.save(output, req, input)
        
    }
    
    //Update Unit
    func update(req: Request) throws -> EventLoopFuture<mdlMachine.Output>{
        let input = try req.content.decode(mdlMachine.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<mdlMachine.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<mdlMachine.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 mdlMachine.find(id, on: req.db).unwrap(or: Abort(.notFound)).flatMap{ $0.delete(on: req.db)}.map{.ok}
    }
    
}
extension MachineCtrl{
    //Query Settings
    func qbase(req: Request) throws -> QueryBuilder<mdlMachine> {
        let query = mdlMachine.query(on:  req.db)
            .with(\.$machinetype)
            .with(\.$parent)
            .with(\.$model)
            .with(\.$machinenumbers)
            .with(\.$machinemeters)
            .with(\.$customers)
            .with(\.$children)
            .with(\.$templates)
            .with(\.$workorders)
        if let id = req.parameters.get("id", as: Int.self){
            return query.filter(\.$id == id)
        } else{
            return query
        }
    }
    //create Output
    func createRead(_ output: mdlMachine) -> mdlMachine.Output {
        return mdlMachine.Output(
            id: output.id!,
            manufactureryear: output.manufactureryear,
            description: output.description,
            currentlocation: output.currentlocation,
            lastservicedate: output.lastservicedate,
            isactive: output.isactive,
            voltage: output.voltage,
            kw: output.kw,
            phase: output.phase,
            inservicedate: output.inservicedate,
            createdate: output.createdate,
            createuserid: output.createuserid,
            updatedate: output.updatedate,
            updateuserid: output.updateuserid,
            machinetype: output.$machinetype.value!,
            parent: output.$parent.value!,
            model: output.$model.value!,
            machinenumbers: output.$machinenumbers.value!,
            machinemeters: output.$machinemeters.value!,
            customers: output.$customers.value!,
            children: output.$children.value!,
            templates: output.$templates.value!,
            workorders: output.$workorders.value!
        )
    }
    
    func mapOutput(_ output: Optional<mdlMachine>.WrappedType, _ input: mdlMachine.Input){
        output.manufactureryear = input.manufactureryear;
        output.description = input.description;
        output.currentlocation = input.currentlocation;
        output.lastservicedate = input.lastservicedate;
        output.isactive = input.isactive;
        output.voltage = input.voltage;
        output.kw = input.kw;
        output.phase = input.phase;
        output.inservicedate = input.inservicedate;
        output.createdate = input.createdate;
        output.updatedate = input.updatedate;
        output.createuserid = input.createuserid;
        output.updateuserid = input.updateuserid;
        output.$machinetype.id = input.machinetype.id!;
        output.$parent.id = input.parent.id!;
        output.$model.id = input.model.id!;
        output.$machinenumbers.value = input.machinenumbers;
        output.$machinemeters.value = input.machinemeters;
        output.$customers.value = input.customers;
        output.$children.value = input.children;
        output.$templates.value = input.templates;
        output.$workorders.value = input.workorders
    }
    
    func createUnit(_ input: mdlMachine.Input) -> mdlMachine {
        return mdlMachine(
            id: input.id ?? nil
            , manufactureryear: input.manufactureryear
            , description: input.description
            , currentlocation: input.currentlocation
            , lastservicedate: input.lastservicedate
            , isactive: input.isactive
            , voltage: input.voltage
            , kw: input.kw
            , phase: input.phase
            , inservicedate: input.inservicedate
            , createuserid: input.createuserid ?? -1
            , createdate: input.createdate
            , updateuserid: input.updateuserid ?? -1
            , updatedate: input.updatedate
            , machinetype: input.machinetype
            , parent: input.parent
            , model: input.model
            , machinenumbers: input.machinenumbers
            , machinemeters: input.machinemeters
            , customers: input.customers
            , children: input.children
            , templates: input.templates
            , workorders: input.workorders
        )
    }
    
    //update function
    func save(_ output: Optional<mdlMachine>.WrappedType, req: Request) -> EventLoopFuture<mdlMachine.Output> {
        return output
            .save(on: req.db)
            .map{mdlMachine.Output(
                id: output.id!
                , manufactureryear: output.manufactureryear
                , description: output.description
                , currentlocation: output.currentlocation
                , lastservicedate: output.lastservicedate
                , isactive: output.isactive
                , voltage: output.voltage
                , kw: output.kw
                , phase: output.phase
                , inservicedate: output.inservicedate
                , createdate: output.createdate
                , createuserid: output.createuserid
                , updatedate: output.updatedate
                , updateuserid: output.updateuserid
                , machinetype: output.machinetype
                , parent: output.parent
                , model: output.model
                , machinenumbers: output.machinenumbers
                , machinemeters: output.machinemeters
                , customers: output.customers
                , children: output.children
                , templates: output.templates
                , workorders: output.workorders
            )
        }
    }
    //create function
    func save(_ output: mdlMachine, _ req: Request, _ input: mdlMachine.Input) -> EventLoopFuture<mdlMachine.Output> {
        return output
            .save(on: req.db)
            .map{
                mdlMachine.Output(
                    id: output.id!
                    , manufactureryear: output.manufactureryear
                    , description: output.description
                    , currentlocation: output.currentlocation
                    , lastservicedate: output.lastservicedate
                    , isactive: output.isactive
                    , voltage: output.voltage
                    , kw: output.kw
                    , phase: output.phase
                    , inservicedate: output.inservicedate
                    , createdate: output.createdate
                    , createuserid: output.createuserid
                    , updatedate: output.updatedate
                    , updateuserid: output.updateuserid
                    , machinetype: input.machinetype
                    , parent: input.parent
                    , model: input.model
                    , machinenumbers: input.machinenumbers
                    , machinemeters: input.machinemeters
                    , customers: input.customers
                    , children: input.children
                    , templates: input.templates
                    , workorders: input.workorders
                )
                
            }
    }
    
}
extension MachineCtrl: RouteCollection{
    func boot(routes: RoutesBuilder) throws{
        let apigroup = routes.grouped("machines")
        apigroup.get("", use: readAll)
        apigroup.get(":id", use: read)
        apigroup.post("", use: create)
        apigroup.post(":id", use: update)
        apigroup.delete(":id", use: delete)
        
        
    }
}