package routes

import (
	"net/http"
	"strconv"

	"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
	"git.artlef.fr/PersonalLibraryManager/internal/dto"
	"git.artlef.fr/PersonalLibraryManager/internal/model"
	"git.artlef.fr/PersonalLibraryManager/internal/myvalidator"
	"git.artlef.fr/PersonalLibraryManager/internal/query"
	"github.com/gin-gonic/gin"
)

func GetAuthorBooksHandler(ac appcontext.AppContext) {
	authorId, err := strconv.ParseUint(ac.C.Param("id"), 10, 64)
	if err != nil {
		ac.C.JSON(http.StatusBadRequest, gin.H{"error": err})
		return
	}
	err = myvalidator.ValidateId(ac.Db, uint(authorId), &model.Author{})
	if err != nil {
		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
		return
	}

	user, fetchUserErr := ac.GetAuthenticatedUser()
	if fetchUserErr != nil {
		myvalidator.ReturnErrorsAsJsonResponse(&ac, fetchUserErr)
		return
	}

	limit, err := ac.GetQueryLimit()
	if err != nil {
		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
		return
	}
	offset, err := ac.GetQueryOffset()
	if err != nil {
		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
		return
	}
	books, err := query.FetchBookSearchByAuthorGet(ac.Db, user.ID, authorId, limit, offset)
	if err != nil {
		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
		return
	}
	count, err := query.FetchBookSearchByAuthorGetCount(ac.Db, user.ID, authorId)
	if err != nil {
		myvalidator.ReturnErrorsAsJsonResponse(&ac, err)
		return
	}
	ac.C.JSON(http.StatusOK, dto.BookSearchGet{Books: books, Count: count})
}