package main

import (
	"context"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
	"time"

	"github.com/kami/maven/internal/ipc"
)

// morningCore serves a canned checklist and day plan.
type morningCore struct {
	ipc.UnimplementedCoreAPI
	status []ipc.MorningRoutineStatus
	plan   ipc.DayPlan
}

func (c *morningCore) MorningStatus(context.Context) ([]ipc.MorningRoutineStatus, error) {
	return c.status, nil
}

func (c *morningCore) DayPlan(context.Context) (ipc.DayPlan, error) { return c.plan, nil }

func TestMorningRendersPlanTimesInLocalZone(t *testing.T) {
	// A plan item's At is a calendar fact's Ts or a reminder's FireTs, and the
	// store hands both back as UTC. Printed raw, /morning named an hour for a
	// reminder that /reminders — which does call Local — disagreed with.
	away := awayFromLocal()
	at := time.Date(2026, 8, 1, 9, 0, 0, 0, time.UTC).In(away)
	core := &morningCore{plan: ipc.DayPlan{
		Date:  at,
		Items: []ipc.DayPlanItem{{At: at, Text: "выпить таблетки", Kind: "reminder"}},
	}}
	w := httptest.NewRecorder()
	handleMorning(w, httptest.NewRequest(http.MethodGet, "/morning", nil), core)
	if w.Code != http.StatusOK {
		t.Fatalf("status = %d, want 200", w.Code)
	}
	body := w.Body.String()
	if !strings.Contains(body, at.Local().Format("15:04")) {
		t.Errorf("plan item not rendered in his clock (%s): %s", at.Local().Format("15:04"), body)
	}
	if strings.Contains(body, at.In(away).Format("15:04")) {
		t.Errorf("plan item rendered in the stored zone: %s", body)
	}
}