package handlers

import (
	"net/http"

	"git.mchus.pro/mchus/quoteforge/internal/localdb"
	"github.com/gin-gonic/gin"
)

// SettingsHandler serves per-client UI display preferences stored in app_settings.
type SettingsHandler struct {
	localDB *localdb.LocalDB
}

func NewSettingsHandler(localDB *localdb.LocalDB) *SettingsHandler {
	return &SettingsHandler{localDB: localDB}
}

type uiSettingsResponse struct {
	IndicatorMode string `json:"indicator_mode"`
}

// GetUI returns the current UI display preferences.
func (h *SettingsHandler) GetUI(c *gin.Context) {
	c.JSON(http.StatusOK, uiSettingsResponse{
		IndicatorMode: h.localDB.GetIndicatorMode(),
	})
}

// PutUI updates UI display preferences. Currently only indicator_mode.
func (h *SettingsHandler) PutUI(c *gin.Context) {
	req, ok := BindJSON[struct {
		IndicatorMode string `json:"indicator_mode"`
	}](c)
	if !ok {
		return
	}

	if err := h.localDB.SetIndicatorMode(req.IndicatorMode); err != nil {
		RespondError(c, http.StatusUnprocessableEntity, "invalid indicator_mode", err)
		return
	}

	c.JSON(http.StatusOK, uiSettingsResponse{
		IndicatorMode: h.localDB.GetIndicatorMode(),
	})
}