// SiYuan - Build Your Eternal Digital Garden
// Copyright (c) 2020-present, b3log.org
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package api

import (
	"net/http"

	"github.com/88250/gulu"
	"github.com/gin-gonic/gin"
	"github.com/siyuan-note/riff"
	"github.com/siyuan-note/siyuan/kernel/model"
	"github.com/siyuan-note/siyuan/kernel/util"
)

func reviewRiffCard(c *gin.Context) {
	ret := gulu.Ret.NewResult()
	defer c.JSON(http.StatusOK, ret)

	arg, ok := util.JsonArg(c, ret)
	if !ok {
		return
	}

	deckName := arg["deck"].(string)
	blockID := arg["blockID"].(string)
	rating := int(arg["rating"].(float64))
	err := model.ReviewFlashcard(deckName, blockID, riff.Rating(rating))
	if nil != err {
		ret.Code = -1
		ret.Msg = err.Error()
		return
	}
}

func getRiffDueCards(c *gin.Context) {
	ret := gulu.Ret.NewResult()
	defer c.JSON(http.StatusOK, ret)

	arg, ok := util.JsonArg(c, ret)
	if !ok {
		return
	}

	deckName := arg["deck"].(string)

	cards, err := model.GetDueFlashcards(deckName)
	if nil != err {
		ret.Code = -1
		ret.Msg = err.Error()
		return
	}

	ret.Data = cards
}

func removeRiffCard(c *gin.Context) {
	ret := gulu.Ret.NewResult()
	defer c.JSON(http.StatusOK, ret)

	arg, ok := util.JsonArg(c, ret)
	if !ok {
		return
	}

	deckName := arg["deck"].(string)
	blockID := arg["blockID"].(string)
	err := model.RemoveFlashcard(blockID, deckName)
	if nil != err {
		ret.Code = -1
		ret.Msg = err.Error()
		return
	}
}

func addRiffCard(c *gin.Context) {
	ret := gulu.Ret.NewResult()
	defer c.JSON(http.StatusOK, ret)

	arg, ok := util.JsonArg(c, ret)
	if !ok {
		return
	}

	deckName := arg["deck"].(string)
	blockID := arg["blockID"].(string)
	err := model.AddFlashcard(blockID, deckName)
	if nil != err {
		ret.Code = -1
		ret.Msg = err.Error()
		return
	}
}

func createRiffDeck(c *gin.Context) {
	ret := gulu.Ret.NewResult()
	defer c.JSON(http.StatusOK, ret)

	arg, ok := util.JsonArg(c, ret)
	if !ok {
		return
	}

	name := arg["name"].(string)
	err := model.CreateDeck(name)
	if nil != err {
		ret.Code = -1
		ret.Msg = err.Error()
		return
	}
}

func getRiffDecks(c *gin.Context) {
	ret := gulu.Ret.NewResult()
	defer c.JSON(http.StatusOK, ret)

	decks := model.GetDecks()
	ret.Data = decks
}