package controllers

import (
	oclib "cloud.o-forge.io/core/oc-lib"
	"cloud.o-forge.io/core/oc-lib/dbs"
	"cloud.o-forge.io/core/oc-lib/models/peer"
	"cloud.o-forge.io/core/oc-lib/tools"
	beego "github.com/beego/beego/v2/server/web"
)

// Operations about workflow
type PeerController struct {
	beego.Controller
}

// @Title Search
// @Description search workspace
// @Param	search		path 	string	true		"the word search you want to get"
// @Param  is_draft       query  string  false
// @Success 200 {workspace} models.workspace
// @router /search/:search [get]
func (o *PeerController) Search() {
	user, peerID, groups := oclib.ExtractTokenInfo(*o.Ctx.Request)
	// store and return Id or post with UUIDLibDataEnum
	search := o.Ctx.Input.Param(":search")
	isDraft := o.Ctx.Input.Query("is_draft")
	o.Data["json"] = oclib.NewRequest(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil).Search(nil, search, isDraft == "true")
	o.ServeJSON()
}

// @Title GetAll
// @Description find all peer
// @Param  is_draft       query  string  false
// @Success 200 {peer} models.peer
// @router / [get]
func (o *PeerController) GetAll() {
	user, peerID, groups := oclib.ExtractTokenInfo(*o.Ctx.Request)
	isDraft := o.Ctx.Input.Query("is_draft")
	verify := o.Ctx.Input.Query("verify")
	if verify == "true" {
		o.Data["json"] = oclib.NewRequest(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil).Search(&dbs.Filters{
			And: map[string][]dbs.Filter{
				"verify": {{Operator: dbs.EQUAL.String(), Value: true}},
			},
		}, "", false)
	} else {
		o.Data["json"] = oclib.NewRequest(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil).LoadAll(isDraft == "true")
	}
	o.ServeJSON()
}

// @Title Get
// @Description find peer by peerid
// @Param	id		path 	string	true		"the peer id you want to get"
// @Success 200 {peer} models.peer
// @router /:id [get]
func (o *PeerController) Get() {
	user, peerID, groups := oclib.ExtractTokenInfo(*o.Ctx.Request)
	id := o.Ctx.Input.Param(":id")
	o.Data["json"] = oclib.NewRequest(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil).LoadOne(id)
	o.ServeJSON()
}

// @Title Link
// @Description find peer by peerid
// @Param	id		path 	string	true		"the peer id you want to get"
// @Success 200 {peer} models.peer
// @router /:from/link/:relation [get]
func (o *PeerController) Link() {
	user, peerID, groups := oclib.ExtractTokenInfo(*o.Ctx.Request)
	id := o.Ctx.Input.Param(":from")
	if ok, _ := peer.IsMySelf(peerID); ok {
		o.Data["json"] = map[string]interface{}{
			"data":  nil,
			"code":  400,
			"error": "can't link relation to ourself",
		}
		o.ServeJSON()
		return
	}
	if ok, _ := peer.IsMySelf(id); !ok {
		o.Data["json"] = map[string]interface{}{
			"data":  nil,
			"code":  400,
			"error": "can't link relation",
		}
		o.ServeJSON()
		return
	}
	relation := o.Ctx.Input.Param(":relation") // as partner, blacklist, unknown
	req := oclib.NewRequestAdmin(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil)
	l := req.LoadOne(id)
	if p := l.ToPeer(); p != nil {
		if peer.GetRelationPath(relation) != -1 {
			o.Data["json"] = req.UpdateOne(map[string]interface{}{
				"relation": peer.GetRelationPath(relation),
				"verify":   !(p.Relation == peer.PENDING_PARTNER || relation == peer.NONE.Path()),
			}, p.GetID())
			return
		}
		o.Data["json"] = map[string]interface{}{
			"data":  nil,
			"code":  400,
			"error": "relation unavailable",
		}
		o.ServeJSON()
		return
	}
	o.Data["json"] = map[string]interface{}{
		"data":  nil,
		"code":  404,
		"error": "peer not found",
	}
	o.ServeJSON()
}

// @Title unknown
// @Description add unknown peer by peerid
// @Param	id		path 	string	true		"the peer id you want to blacklist"
// @Success 200 {peer} models.peer
// @router /:id/unknown [post]
func (o *PeerController) Unknown() {
	user, peerID, groups := oclib.ExtractTokenInfo(*o.Ctx.Request)
	id := o.Ctx.Input.Param(":id")
	req := oclib.NewRequest(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil)
	data := req.LoadOne(id)
	o.changeRelation(data.ToPeer(), peer.NONE, req)
}

// @Title Partner
// @Description add partner peer by peerid
// @Param	id		path 	string	true		"the peer id you want to blacklist"
// @Success 200 {peer} models.peer
// @router /:id/partner [post]
func (o *PeerController) Partner() {
	user, peerID, groups := oclib.ExtractTokenInfo(*o.Ctx.Request)
	id := o.Ctx.Input.Param(":id")
	req := oclib.NewRequest(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil)
	data := req.LoadOne(id)
	o.changeRelation(data.ToPeer(), peer.PARTNER, req)
}

// @Title Blacklist
// @Description add blacklist peer by peerid
// @Param	id		path 	string	true		"the peer id you want to blacklist"
// @Success 200 {peer} models.peer
// @router /:id/blacklist [post]
func (o *PeerController) Blacklist() {
	user, peerID, groups := oclib.ExtractTokenInfo(*o.Ctx.Request)
	id := o.Ctx.Input.Param(":id")
	o.Data["json"] = oclib.NewRequest(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil).UpdateOne(map[string]interface{}{
		"relation": peer.BLACKLIST,
	}, id)
}

// used from : peer ask, or response, only from peer origin is authorized to change...
func (o *PeerController) changeRelation(dest *peer.Peer, relation peer.PeerRelation, request *oclib.Request) {
	if ok, _ := peer.IsMySelf(request.PeerID); !ok {
		o.Data["json"] = map[string]interface{}{
			"data":  nil,
			"code":  400,
			"error": "can't change relation",
		}
		o.ServeJSON()
		return
	}
	if ok, _ := peer.IsMySelf(dest.GetID()); ok {
		o.Data["json"] = map[string]interface{}{
			"data":  nil,
			"code":  400,
			"error": "can't change ourself",
		}
		o.ServeJSON()
		return
	}
	// store and return Id or post with UUID
	if dest != nil {
		if !dest.Verify && relation == peer.PARTNER {
			relation = peer.PENDING_PARTNER
			if _, err := tools.NewHTTPCaller(map[tools.DataType]map[tools.METHOD]string{}).CallGet(dest.Url, "/"+request.PeerID+"/link/"+relation.Path()); err != nil {
				o.Data["json"] = map[string]interface{}{
					"data":  nil,
					"code":  400,
					"error": err.Error(),
				}
				o.ServeJSON()
			}
		}
		if dest.Verify && relation == peer.PENDING_PARTNER {
			relation = peer.PARTNER
		}
		data := request.UpdateOne(map[string]interface{}{
			"relation": relation,
		}, dest.GetID())

		o.Data["json"] = data
		o.ServeJSON()
		return
	}
	o.Data["json"] = map[string]interface{}{
		"data":  nil,
		"code":  400,
		"error": "peer not found.",
	}
	o.ServeJSON()
}

// @Title DeleteState
// @Description delete state peer by peerid
// @Param	id		path 	string	true		"the peer id you want to delete state"
// @Success 200 {peer} models.peer
// @router /:id/undo_state [post]
func (o *PeerController) DeleteState() {
	user, peerID, groups := oclib.ExtractTokenInfo(*o.Ctx.Request)
	id := o.Ctx.Input.Param(":id")
	o.Data["json"] = oclib.NewRequest(oclib.LibDataEnum(oclib.PEER), user, peerID, groups, nil).UpdateOne(map[string]interface{}{
		"state": peer.NONE,
	}, id)
	o.ServeJSON()
}