package fr.istic.taa.jaxrs.rest;

import java.util.List;

import fr.istic.taa.jaxrs.DAO.QuestionDAO;
import fr.istic.taa.jaxrs.DTO.QuestionDTO;
import fr.istic.taa.jaxrs.Mapper.QuestionMapper;
import fr.istic.taa.jaxrs.metier.Choix;
import fr.istic.taa.jaxrs.metier.Question;
import fr.istic.taa.jaxrs.metier.Reponse;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.ArraySchema;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import jakarta.ws.rs.Consumes;
import jakarta.ws.rs.GET;
import jakarta.ws.rs.PUT;
import jakarta.ws.rs.POST;
import jakarta.ws.rs.DELETE;
import jakarta.ws.rs.Path;
import jakarta.ws.rs.PathParam;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.core.Response;


@Path("question")
@Consumes({"application/json", "application/xml"})
@Produces({"application/json", "application/xml"})
public class QuestionResource {
    private final QuestionDAO questionDAO = new QuestionDAO();
    private final QuestionMapper mapper = QuestionMapper.INSTANCE;

    @GET
    @Operation(summary = "List all questions",
            tags = {"Questions"},
            description = "List all questions.",
            responses = {
                    @ApiResponse(description = "List of all questions", content = @Content(
                            array = @ArraySchema(schema = @Schema(implementation = Question.class))))
            }
    )
    public List<QuestionDTO> listQuestion() {
        List<Question> questions = questionDAO.findAll();
        return mapper.toDTOs(questions);
    }

    @POST
    @Path("/addQuestion")
    @Operation(summary = "Create a new question",
            tags = {"Questions"},
            description = "Create a new question",
            responses = {@ApiResponse(responseCode = "201", description = "Question added.")}
    )
    public Response addQuestion(
            @Parameter(description = "The question details to be added", required = true) QuestionDTO dto) {
        Question question = mapper.toEntity(dto);
        questionDAO.create(question);
        return Response.status(Response.Status.CREATED).entity("Question ajouté avec Succès : \"" + dto.getQuestion() + "\"").build();
    }

    @PUT
    @Path("/{question_id}/changeQuestion/")
    @Operation(summary = "Update the text of a question",
            tags = {"Questions"},
            description = "Update the text of a question.",
            responses = {
                    @ApiResponse(responseCode = "201", description = "Question answer updated."),
                    @ApiResponse(responseCode = "404", description = "Question not found")
            }
    )
    public Response changeQuestion(
            @Parameter(description = "ID of the question to modify", required = true) @PathParam("question_id") Integer id,
            @Parameter(description = "New answer for the question", required = true) String newQuestion) {
        Question question = questionDAO.findById(id);
        if (question == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
        questionDAO.changeEnonce(newQuestion, id);
        return Response.status(Response.Status.CREATED).entity("Enonce de la question mis à jour : " + newQuestion).build();

    }

    @GET
    @Path("/{question_id}/getReponse/")
    @Operation(summary = "Get the correct answer for question",
            tags = {"Questions"},
            description = "Get the correct answer for question by ID of question.",
            responses = {
                    @ApiResponse(description = "The correct answer", content = @Content(
                            schema = @Schema(implementation = Reponse.class))),
                    @ApiResponse(responseCode = "404", description = "Question not found")
            }
    )
    public Response getReponse(
            @Parameter(description = "ID of the question", required = true)
            @PathParam("question_id") Integer id) {

        Question question = questionDAO.findById(id);
        if (question == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
        Reponse result = question.getReponse();
        return Response.ok(result).build();

    }

    @PUT
    @Path("/{question_id}/addReponse/")
    @Operation(summary = "Add/Update the correct answer for question",
            tags = {"Questions"},
            description = "Add/Update the correct answer for question",
            responses = {
                    @ApiResponse(responseCode = "201", description = "Answer text updated."),
                    @ApiResponse(responseCode = "404", description = "Question not found")
            }
    )
    public Response addReponse(
            @Parameter(description = "ID of the question", required = true) @PathParam("question_id") Integer id,
            @Parameter(description = "The correct answer", required = true) String reponse) {

        Question question = questionDAO.findById(id);
        if (question == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
        questionDAO.addReponse(reponse, id);
        return Response.status(Response.Status.CREATED).entity("Reponse correct \"" + reponse + "\" ajouté à la question " + id).build();

    }

    @DELETE
    @Path("/{question_id}/deletReponses/")
    @Operation(summary = "Removes the correct response.",
            tags = {"Questions"},
            description = "Removes the correct response.",
            responses = {
                    @ApiResponse(responseCode = "201", description = "Response deleted."),
                    @ApiResponse(responseCode = "404", description = "Question not found")
            }
    )
    public Response deleteReponses(
            @Parameter(description = "ID of the question", required = true)
            @PathParam("question_id") Integer id) {
        Question question = questionDAO.findById(id);
        if (question == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
        questionDAO.deleteReponse(id);
        return Response.status(Response.Status.CREATED).entity("Reponses supprimé de la question " + id).build();

    }

    @PUT
    @Path("/{question_id}/setReponse/choix")
    @Operation(summary = "Set question type to multiple choice",
            tags = {"Questions"},
            description = "Set question type to multiple choice type. It could override old answers",
            responses = {
                    @ApiResponse(responseCode = "201", description = "Question type set to multiple choice."),
                    @ApiResponse(responseCode = "404", description = "Question not found")
            }
    )
    public Response setChoix(
            @Parameter(description = "ID of the question", required = true)
            @PathParam("question_id") Integer id) {
        Question question = questionDAO.findById(id);
        if (question == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
        questionDAO.setChoix(id);
        return Response.status(Response.Status.CREATED).entity("Reponses à choix multiple mise sur la question " + id).build();
    }

    @PUT
    @Path("/{question_id}/setReponse/reponseCourte")
    @Operation(summary = "Set question type to short answer",
            tags = {"Questions"},
            description = "Set question type to multiple short answer. It could override old answers",
            responses = {
                    @ApiResponse(responseCode = "201", description = "Question type set to short answer."),
                    @ApiResponse(responseCode = "404", description = "Question not found")
            }
    )
    public Response setReponseCourte(
            @Parameter(description = "ID of the question", required = true)
            @PathParam("question_id") Integer id) {
        Question question = questionDAO.findById(id);
        if (question == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
        questionDAO.setReponseCourte(id);
        return Response.status(Response.Status.CREATED).entity("Reponses courte mise sur la question " + id).build();

    }

    @PUT
    @Path("/{question_id}/AddChoix")
    @Operation(summary = "Add a choice option to a multiple-choice question",
            tags = {"Questions"},
            description = "Adds a new choice option to the question (Type Multiple Choice obligatoire)",
            responses = {
                    @ApiResponse(responseCode = "201", description = "Choice added."),
                    @ApiResponse(responseCode = "404", description = "Question not found"),
                    @ApiResponse(responseCode = "400", description = "Wrong type")
            }
    )
    public Response addChoix(
            @Parameter(description = "ID of the question", required = true) @PathParam("question_id") Integer id,
            @Parameter(description = "The choice", required = true) String choix){
        Question question = questionDAO.findById(id);
        if (question == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
        if (question.getReponse() instanceof Choix) {
            return Response.status(Response.Status.EXPECTATION_FAILED).build();
        }
        questionDAO.addChoix(id, choix);
        return Response.status(Response.Status.CREATED).entity("Reponses courte mise sur la question " + id).build();

    }
}