/*
------------------------------------------------------------------------------------------------------------------------
####### api ####### Copyright (c) 2021 mls-361 ##################################################### MIT License #######
------------------------------------------------------------------------------------------------------------------------
*/

package api

import (
	"errors"
	"expvar"
	"net/http"

	"forge.chapril.org/armen/jw"
	"forge.chapril.org/armen/model"
	"forge.chapril.org/mls-361/jsonapi"

	"forge.chapril.org/armen/armen/internal/components"
)

const (
	_maxBodySize = 1024 * 32
)

type api struct {
	logger components.Logger
	model  components.Model
}

func newAPI(logger components.Logger, model components.Model) *api {
	return &api{
		logger: logger,
		model:  model,
	}
}

func (api *api) createJob(rw http.ResponseWriter, r *http.Request) {
	job := new(jw.Job)

	if jsonapi.Decode(rw, r, _maxBodySize, job) != nil {
		return
	}

	done, err := api.model.CreateJob(job)
	if err != nil {
		if errors.Is(err, model.ErrValidation) {
			jsonapi.BadRequest(rw, err)
		} else {
			jsonapi.InternalServerError(rw, err)
		}

		return
	}

	if done {
		jsonapi.Render(rw, r, job, api.logger)
		return
	}

	rw.WriteHeader(http.StatusOK)
}

func Build(logger components.Logger, router components.Router, model components.Model) {
	api := newAPI(logger, model)

	router.Get("/debug", expvar.Handler())
	router.Get("/status", http.HandlerFunc(func(rw http.ResponseWriter, _ *http.Request) {
		rw.WriteHeader(http.StatusOK)
	}))

	router.Post("/job/create", http.HandlerFunc(api.createJob))
}

/*
######################################################################################################## @(°_°)@ #######
*/