package handler

import (
	//"mstore/app/descr"
	"mstore/app/operator"
	"mstore/app/router"
)

func (hand *Handler) ManifestExists(rctx *router.Context) {
	name, _ := rctx.GetSubpath("name")
	reference, _ := rctx.GetSubpath("reference")

	params := &operator.ManifestExistsParams{
		Name:      name,
		Reference: reference,
	}
	ctx := rctx.GetContext()
	res, code, err := hand.oper.ManifestExists(ctx, params)
	if err != nil {
		hand.logg.Errorf("ManifestExist error: %v", err)
	} else if res.Exists {
		rctx.SetHeader("Content-Length", res.ContentLength)
		rctx.SetHeader("Content-Type", res.ContentType)
		rctx.SetHeader("Docker-Content-Digest", res.DockerContentDigest)
	}
	rctx.SetStatus(code)
}

// PUT /v2/<name>/manifests/<reference> 201 404
func (hand *Handler) PutManifest(rctx *router.Context) {

	//hand.DumpHeaders("PutManifest headers", rctx)

	contentType := rctx.GetHeader("Content-Type")
	contentLength := rctx.GetHeader("Content-Length")

	name, _ := rctx.GetSubpath("name")
	reference, _ := rctx.GetSubpath("reference")

	params := &operator.PutManifestParams{
		ContentType:   contentType,
		ContentLength: contentLength,
		Name:          name,
		Reference:     reference,
		Reader:        rctx.Request.Body,
	}
	ctx := rctx.GetContext()
	res, code, err := hand.oper.PutManifest(ctx, params)
	if err != nil {
		hand.logg.Errorf("PutManifest error: %v", err)
	} else {
		rctx.SetHeader("Location", res.Location)
	}
	rctx.SetStatus(code)
}

// GET /v2/<name>/manifests/<reference> 200 404
func (hand *Handler) GetManifest(rctx *router.Context) {
	name, _ := rctx.GetSubpath("name")
	reference, _ := rctx.GetSubpath("reference")

	params := &operator.GetManifestParams{
		Name:      name,
		Reference: reference,
	}
	ctx := rctx.GetContext()
	res, code, err := hand.oper.GetManifest(ctx, params)
	if err != nil {
		hand.logg.Errorf("GetManifest error: %v", err)
		rctx.SetStatus(code)
		return
	}

	rctx.SetHeader("Content-Length", res.ContentLength)
	rctx.SetHeader("Content-Type", res.ContentType)
	rctx.SetHeader("Docker-Content-Digest", res.DockerContentDigest)
	rctx.SetStatus(code)

	rctx.SendBytes([]byte(res.Payload))
}