package controller

import (
	"errors"
	"net/http"
	"woord-core-service/model"

	"github.com/gin-gonic/gin"
)

type CreateWordRequest struct {
	Value   string `form:"value" binding:"required"`
	Meaning string `form:"meaning" binding:"required"`
	Extra   string `form:"extra"`
	DictID  uint   `form:"dictID" binding:"required"`
}

// 创建单词
func CreateWord(c *gin.Context) {
	var request CreateWordRequest
	if err := c.ShouldBind(&request); err != nil {
		respondError(c, http.StatusBadRequest, err)
		return
	}

	_, err := model.GetDict(request.DictID, c.MustGet(AuthUserKey).(uint))
	if err != nil {
		if errors.Is(err, model.ErrDictNotFound) {
			respondError(c, http.StatusNotFound, err)
		} else {
			respondUnknownError(c, err)
		}
		return
	}

	word, err := model.CreateWord(request.Value, request.Meaning, request.Extra, request.DictID)
	if err != nil {
		if errors.Is(err, model.ErrWordAlreadyExists) {
			respondError(c, http.StatusConflict, err)
		} else {
			respondUnknownError(c, err)
		}
		return
	}

	respondOK(c, word)
}

type UpdateWordRequest struct {
	WordID  uint   `form:"id" binding:"required"`
	Value   string `form:"value" binding:"required"`
	Meaning string `form:"meaning" binding:"required"`
	Extra   string `form:"extra"`
	Star    bool   `form:"star"`
}

// 更新单词
func UpdateWord(c *gin.Context) {
	var request UpdateWordRequest
	if err := c.ShouldBind(&request); err != nil {
		respondError(c, http.StatusBadRequest, err)
		return
	}

	_, err := model.GetWord(request.WordID, c.MustGet(AuthUserKey).(uint))
	if err != nil {
		if errors.Is(err, model.ErrWordNotFound) {
			respondError(c, http.StatusNotFound, err)
		} else {
			respondUnknownError(c, err)
		}
		return
	}

	word, err := model.UpdateWord(request.WordID, request.Value, request.Meaning, request.Extra, request.Star)
	if err != nil {
		if errors.Is(err, model.ErrWordAlreadyExists) {
			respondError(c, http.StatusConflict, err)
		} else {
			respondUnknownError(c, err)
		}
		return
	}

	respondOK(c, word)
}

type DeleteWordRequest struct {
	WordID uint `form:"id" binding:"required"`
}

// 删除单词
func DeleteWord(c *gin.Context) {
	var request DeleteWordRequest
	if err := c.ShouldBind(&request); err != nil {
		respondError(c, http.StatusBadRequest, err)
		return
	}

	_, err := model.GetWord(request.WordID, c.MustGet(AuthUserKey).(uint))
	if err != nil {
		if errors.Is(err, model.ErrWordNotFound) {
			respondError(c, http.StatusNotFound, err)
		} else {
			respondUnknownError(c, err)
		}
		return
	}

	err = model.DeleteWord(request.WordID)
	if err != nil {
		respondUnknownError(c, err)
		return
	}

	respondOK(c, nil)
}