package handler

import (
	"net/http"

	ddnscron "goflare/internal/cron"
	"goflare/internal/database/queries"

	"github.com/labstack/echo/v4"
)

type SettingsHandler struct {
	q       *queries.Queries
	updater *ddnscron.DDNSUpdater
}

func NewSettingsHandler(q *queries.Queries, updater *ddnscron.DDNSUpdater) *SettingsHandler {
	return &SettingsHandler{q: q, updater: updater}
}

type settingsResponse struct {
	CronSchedule string `json:"cron_schedule"`
}

type settingsRequest struct {
	CronSchedule string `json:"cron_schedule"`
}

func (h *SettingsHandler) Get(c echo.Context) error {
	schedule := h.updater.Schedule()
	return c.JSON(http.StatusOK, settingsResponse{CronSchedule: schedule})
}

func (h *SettingsHandler) Update(c echo.Context) error {
	var req settingsRequest
	if err := c.Bind(&req); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "invalid request body"})
	}
	if req.CronSchedule == "" {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "cron_schedule is required"})
	}

	if err := h.updater.Reschedule(req.CronSchedule); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": err.Error()})
	}

	ctx := c.Request().Context()
	if err := h.q.UpsertSetting(ctx, queries.UpsertSettingParams{
		Key:   "cron_schedule",
		Value: req.CronSchedule,
	}); err != nil {
		return c.JSON(http.StatusInternalServerError, map[string]string{"error": "failed to save setting"})
	}

	return c.JSON(http.StatusOK, settingsResponse{CronSchedule: req.CronSchedule})
}