package queryservice

import (
	"fmt"
	"net/http"

	"queryorchestration/internal/query/result"
	resultprocessor "queryorchestration/internal/query/result/processor"

	"github.com/labstack/echo/v4"
	"github.com/oapi-codegen/runtime/types"
)

func (s *Controllers) ListQueries(ctx echo.Context) error {
	queries, err := s.svc.Query.List(ctx.Request().Context())
	if err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unable to list query: %s", err))
	}

	outQueries, err := parseQueries(queries)
	if err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unable to list query: %s", err))
	}

	return ctx.JSON(http.StatusOK, ListQueries{
		Queries: outQueries,
	})
}

func (s *Controllers) GetQuery(ctx echo.Context, id types.UUID) error {
	query, err := s.svc.Query.Get(ctx.Request().Context(), id)
	if err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unable to get query: %s", err))
	}

	qt, err := parseQuery(query)
	if err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unable to get query: %s", err))
	}

	return ctx.JSON(http.StatusOK, qt)
}

func (s *Controllers) CreateQuery(ctx echo.Context) error {
	req := QueryCreate{}
	if err := ctx.Bind(&req); err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, err)
	}

	qt, err := parseSpecQueryType(req.Type)
	if err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, "Invalid Query Type")
	}

	id, err := s.svc.Query.Create(ctx.Request().Context(), &resultprocessor.Create{
		Type:             qt,
		RequiredQueryIDs: req.RequiredQueries,
		Config:           req.Config,
	})
	if err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unable to create query: %s", err))
	}

	return ctx.JSON(http.StatusCreated, IdMessage{
		Id: id,
	})
}

func (s *Controllers) UpdateQuery(ctx echo.Context, id types.UUID) error {
	req := QueryUpdate{}
	if err := ctx.Bind(&req); err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, err)
	}

	err := s.svc.QueryUpdate.Update(ctx.Request().Context(), &resultprocessor.Update{
		ActiveVersion:    req.ActiveVersion,
		Config:           req.Config,
		RequiredQueryIDs: req.RequiredQueries,
		ID:               id,
	})
	if err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unable to update query: %s", err))
	}

	return ctx.NoContent(http.StatusOK)
}

func (s *Controllers) TestQuery(ctx echo.Context, id types.UUID) error {
	req := QueryTestRequest{}
	if err := ctx.Bind(&req); err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, err)
	}

	value, err := s.svc.QueryTest.Test(ctx.Request().Context(), result.Process{
		QueryID:      id,
		QueryVersion: req.QueryVersion,
		DocumentID:   req.DocumentId,
	})
	if err != nil {
		return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unable to test query: %s", err))
	}

	return ctx.JSON(http.StatusOK, QueryTestResponse{
		Value: value,
	})
}