package httpapi

import (
	"encoding/json"
	"net/http"

	"tutor/internal/teachingassets"
	"tutor/internal/workflows"
)

type generateTeachingAssetPromptRequest struct {
	ConceptID string              `json:"concept_id"`
	AssetType workflows.AssetType `json:"asset_type"`
}

func (h Handler) generateTeachingAssetPrompt(w http.ResponseWriter, r *http.Request) {
	if h.assets == nil {
		writeError(w, http.StatusNotFound, "teaching assets not configured")
		return
	}

	var req generateTeachingAssetPromptRequest
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		writeError(w, http.StatusBadRequest, "invalid JSON body")
		return
	}

	prompt, err := h.assets.GeneratePrompt(teachingassets.GenerateInput{
		ConceptID: req.ConceptID,
		AssetType: req.AssetType,
	})
	if err != nil {
		writeError(w, http.StatusBadRequest, err.Error())
		return
	}

	writeJSON(w, http.StatusCreated, prompt)
}

func (h Handler) getTeachingAssets(w http.ResponseWriter, _ *http.Request) {
	if h.assets == nil {
		writeError(w, http.StatusNotFound, "teaching assets not configured")
		return
	}

	writeJSON(w, http.StatusOK, h.assets.Snapshot())
}