/*
 * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
 */
package handler

import (
	"net/http"

	"mstore/app/imageoper"
	"mstore/app/router"
	"mstore/pkg/terms"
)

// GetProperty godoc
//
//	@Summary		Get manifest info
//	@Description	Get manifest info
//	@Tags			manifest
//	@Param			name		path	string	true	"Manifest path"
//	@Param			reference	path	string	true	"Manifest tag"
//	@Success		200
//	@Failure		404,405,500
//	@Router			/v2/{name}/manifests/{reference} [HEAD]
//	@Header			200	{string}	Content-Length			"Manifest size"
//	@Header			200	{string}	Content-Type			"Manifest type"
//	@Header			200	{string}	Docker-Content-Digest	"Manigest digest"
func (hand *Handler) ManifestExists(rctx *router.Context) {
	name, _ := rctx.GetSubpath("name")
	reference, _ := rctx.GetSubpath("reference")

	hand.DumpHeaders("ManigestExists:\n", rctx)

	params := &imageoper.ManifestExistsParams{
		Name:      name,
		Reference: reference,
	}
	// Rigth checking
	operatorID, _ := rctx.GetString(userTag)
	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightReadImages, params.Name)
	if err != nil {
		rctx.SetStatus(http.StatusInternalServerError)
		return
	}
	if !opEnable {
		rctx.SetStatus(http.StatusMethodNotAllowed)
		return
	}
	// Execution of the operation
	ctx := rctx.GetContext()
	res, code, err := hand.imop.ManifestExists(ctx, params)
	if err != nil {
		hand.logg.Errorf("ManifestExist error: %v", err)
	} else if code == http.StatusOK {
		rctx.SetHeader("Content-Length", res.ContentLength)
		rctx.SetHeader("Content-Type", res.ContentType)
		rctx.SetHeader("Docker-Content-Digest", res.DockerContentDigest)
	}
	hand.logg.Debugf(res.ContentType)
	hand.logg.Debugf(res.DockerContentDigest)
	rctx.SetStatus(code)
}

// GetProperty godoc
//
//	@Summary		Put manifest
//	@Description	Put manifest
//	@Tags			manifest
//	@Param			name			path	string	true	"Manifest path"
//	@Param			reference		path	string	true	"Manifest tag"
//	@Param			Content-Length	header	string	true	"Manifest size"
//	@Param			Content-Type	header	string	true	"Manifest type"
//	@Success		200
//	@Failure		404,405,500
//	@Router			/v2/{name}/manifests/{reference} [PUT]
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 := &imageoper.PutManifestParams{
		ContentType:   contentType,
		ContentLength: contentLength,
		Name:          name,
		Reference:     reference,
		Reader:        rctx.Request.Body,
	}
	// Rigth checking
	operatorID, _ := rctx.GetString(userTag)
	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightWriteImages, params.Name)
	if err != nil {
		rctx.SetStatus(http.StatusInternalServerError)
		return
	}
	if !opEnable {
		rctx.SetStatus(http.StatusMethodNotAllowed)
		return
	}
	// Execution of the operation
	ctx := rctx.GetContext()
	res, code, err := hand.imop.PutManifest(ctx, params)
	if err != nil {
		hand.logg.Errorf("PutManifest error: %v", err)
	} else {
		rctx.SetHeader("Location", res.Location)
	}
	rctx.SetStatus(code)
}

// GetProperty godoc
//
//	@Summary		Get manifest
//	@Description	Get manifest
//	@Tags			manifest
//	@Param			name		path	string	true	"Manifest path"
//	@Param			reference	path	string	true	"Manifest tag"
//	@Success		200
//	@Failure		404,405,500
//	@Router			/v2/{name}/manifests/{reference} [GET]
//	@Header			200	{string}	Content-Length			"Manifest size"
//	@Header			200	{string}	Content-Type			"Manifest type"
//	@Header			200	{string}	Docker-Content-Digest	"Manigest digest"
func (hand *Handler) GetManifest(rctx *router.Context) {
	name, _ := rctx.GetSubpath("name")
	reference, _ := rctx.GetSubpath("reference")

	//hand.DumpHeaders("GetManigest", rctx)

	params := &imageoper.GetManifestParams{
		Name:      name,
		Reference: reference,
	}
	// Rigth checking
	operatorID, _ := rctx.GetString(userTag)
	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightReadImages, params.Name)
	if err != nil {
		rctx.SetStatus(http.StatusInternalServerError)
		return
	}
	if !opEnable {
		rctx.SetStatus(http.StatusMethodNotAllowed)
		return
	}
	// Execution of the operation
	ctx := rctx.GetContext()
	res, code, err := hand.imop.GetManifest(ctx, params)
	if err != nil {
		hand.logg.Errorf("GetManifest error: %v", err)
		rctx.SetStatus(code)
		return
	}
	if code == http.StatusOK {
		//hand.logg.Debugf("GetManifest type: %s", res.ContentType)
		//hand.logg.Debugf("GetManifest payload: %s", res.Payload)
		rctx.SetHeader("Content-Length", res.ContentLength)
		//rctx.SetHeader("Content-Type", res.ContentType)
		rctx.SetHeader("Docker-Content-Digest", res.DockerContentDigest)
		rctx.SendBytes(code, res.ContentType, []byte(res.Payload))
		return
	}
	rctx.SetStatus(code)
}

// GetProperty godoc
//
//	@Summary		Delete manifest
//	@Description	Delete manifest
//	@Tags			manifest
//	@Param			name		path	string	true	"Manifest path"
//	@Param			reference	path	string	true	"Manifest tag"
//	@Success		202
//	@Failure		404,405,500
//	@Router			/v2/{name}/manifests/{reference} [DELETE]
func (hand *Handler) DeleteManifest(rctx *router.Context) {
	name, _ := rctx.GetSubpath("name")
	reference, _ := rctx.GetSubpath("reference")

	params := &imageoper.DeleteManifestParams{
		Name:      name,
		Reference: reference,
	}
	// Rigth checking
	operatorID, _ := rctx.GetString(userTag)
	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightWriteImages, params.Name)
	if err != nil {
		rctx.SetStatus(http.StatusInternalServerError)
		return
	}
	if !opEnable {
		rctx.SetStatus(http.StatusMethodNotAllowed)
		return
	}
	// Execution of the operation
	ctx := rctx.GetContext()
	_, code, err := hand.imop.DeleteManifest(ctx, params)
	if err != nil {
		hand.logg.Errorf("DeleteManifest error: %v", err)
	}
	rctx.SetStatus(code)
}

// GET /v2/<name>/referrers/<digest>                              200 404/400
// GET /v2/<name>/referrers/<digest>?artifactType=<artifactType>  200 404/400

// GetProperty godoc
//
//	@Summary		Get manifest referer
//	@Description	Get manifest referer
//	@Tags			manifest
//	@Param			name	path	string	true	"Manifest path"
//	@Param			digest	path	string	true	"Manifest digest"
//	@Failure		404,405,500
//	@Router			/v2/{name}/referrers/{digest} [GET]
//	@Success		200	{object}	imageoper.GetRefererResult.Reference
//	@Produce		application/json
func (hand *Handler) GetReferer(rctx *router.Context) {
	name, _ := rctx.GetSubpath("name")
	digest, _ := rctx.GetSubpath("digest")
	params := &imageoper.GetRefererParams{
		Name:   name,
		Digest: digest,
	}
	// Rigth checking
	operatorID, _ := rctx.GetString(userTag)
	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightReadImages, params.Name)
	if err != nil {
		rctx.SetStatus(http.StatusInternalServerError)
		return
	}
	if !opEnable {
		rctx.SetStatus(http.StatusMethodNotAllowed)
		return
	}
	// Execution of the operation
	res, code, err := hand.imop.GetReferer(rctx.Ctx, params)
	if err != nil {
		hand.logg.Errorf("GetReferer error: %v", err)
	}
	rctx.SendText(code, res.Reference)
}

// GET /v2/<name>/tags/list 200 404
// GET /v2/<name>/tags/list?n=<integer>&last=<integer>

// GetProperty godoc
//
//	@Summary		List manifest tags
//	@Description	List manifest tags
//	@Tags			manifest
//	@Param			name	path	string	true	"Manifest path"
//	@Failure		404,405,500
//	@Router			/v2/{name}/tags/list [GET]
//	@Success		200	{object}	imageoper.GetTagsResult.TagDescr
//	@Produce		application/json
func (hand *Handler) GetTags(rctx *router.Context) {
	name, _ := rctx.GetSubpath("name")
	params := &imageoper.GetTagsParams{
		Name: name,
	}
	// Rigth checking
	operatorID, _ := rctx.GetString(userTag)
	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightReadImages, params.Name)
	if err != nil {
		rctx.SetStatus(http.StatusInternalServerError)
		return
	}
	if !opEnable {
		rctx.SetStatus(http.StatusMethodNotAllowed)
		return
	}
	// Execution of the operation
	ctx := rctx.GetContext()
	res, code, err := hand.imop.GetTags(ctx, params)
	if err != nil {
		hand.logg.Errorf("GetTags error: %v", err)
	}
	rctx.SendJSON(code, res.TagDescr)
}

// GET /v2/_catalog?n=1000 200 404

// GetProperty godoc
//
//	@Summary		List manifests
//	@Description	List manifests
//	@Tags			manifest
//	@Failure		404,405,500
//	@Router			/v2/_catalog [GET]
//	@Success		200	{object}	imageoper.ListManifestsResult.Repositories
//	@Produce		application/json
func (hand *Handler) ListManifests(rctx *router.Context) {
	params := &imageoper.ListManifestsParams{}
	// Rigth checking
	operatorID, _ := rctx.GetString(userTag)
	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightReadImages, "_catalog")
	if err != nil {
		rctx.SetStatus(http.StatusInternalServerError)
		return
	}
	if !opEnable {
		rctx.SetStatus(http.StatusMethodNotAllowed)
		return
	}
	// Execution of the operation
	ctx := rctx.GetContext()
	res, code, err := hand.imop.ListManifests(ctx, params)
	if err != nil {
		hand.logg.Errorf("ListManifests error: %v", err)
	}

	rctx.SendJSON(code, res.Repositories)
}

// GetProperty godoc
//
//	@Summary		Check images
//	@Description	Check images
//	@Tags			manifest
//	@Failure		404,405,500
//	@Router			/v2/checker/{name} [POST]
//	@Router			/v2/checker/ [POST]
//	@Success		200	{object}	imageoper.CheckImagesResult.Repositories
//	@Produce		application/json
func (hand *Handler) CheckImages(rctx *router.Context) {
	name, _ := rctx.GetSubpath("name")
	params := &imageoper.CheckImagesParams{
		Name: name,
	}
	// Rigth checking
	operatorID, _ := rctx.GetString(userTag)
	opEnable, err := hand.CheckRight(rctx.Ctx, operatorID, terms.RightWriteImages, name)
	if err != nil {
		rctx.SetStatus(http.StatusInternalServerError)
		return
	}
	if !opEnable {
		rctx.SetStatus(http.StatusMethodNotAllowed)
		return
	}
	// Execution of the operation
	ctx := rctx.GetContext()
	res, code, err := hand.imop.CheckImages(ctx, params)
	if err != nil {
		hand.logg.Errorf("CheckImages error: %v", err)
	}
	rctx.SendJSON(code, res.Repositories)
}