package localai

import (
	"github.com/gofiber/fiber/v2"
	"github.com/mudler/LocalAI/core/backend"
	"github.com/mudler/LocalAI/core/config"
	"github.com/mudler/LocalAI/core/http/middleware"
	"github.com/mudler/LocalAI/core/schema"
	"github.com/mudler/LocalAI/pkg/model"
)

// TokenizeEndpoint exposes a REST API to tokenize the content
// @Summary Tokenize the input.
// @Param request body schema.TokenizeRequest true "Request"
// @Success 200 {object} schema.TokenizeResponse "Response"
// @Router /v1/tokenize [post]
func TokenizeEndpoint(cl *config.BackendConfigLoader, ml *model.ModelLoader, appConfig *config.ApplicationConfig) func(c *fiber.Ctx) error {
	return func(ctx *fiber.Ctx) error {
		input, ok := ctx.Locals(middleware.CONTEXT_LOCALS_KEY_LOCALAI_REQUEST).(*schema.TokenizeRequest)
		if !ok || input.Model == "" {
			return fiber.ErrBadRequest
		}

		cfg, ok := ctx.Locals(middleware.CONTEXT_LOCALS_KEY_MODEL_CONFIG).(*config.BackendConfig)
		if !ok || cfg == nil {
			return fiber.ErrBadRequest
		}

		tokenResponse, err := backend.ModelTokenize(input.Content, ml, *cfg, appConfig)
		if err != nil {
			return err
		}
		return ctx.JSON(tokenResponse)
	}
}