package main

import (
	"bytes"
	"context"
	"time"

	"git.dev.alexdunmow.com/block/core/blocks"
)

// HoursStripBlockMeta defines metadata for the hours_strip block.
var HoursStripBlockMeta = blocks.BlockMeta{
	Key:         "hours_strip",
	Title:       "Hours Strip",
	Description: "Weekly hours strip with today's row server-side highlighted",
	Source:      "coffee",
}

// HoursStripBlock renders a weekly hours strip.
// Content shape:
//
//	{
//	  "todayLabel": "Today",
//	  "hours": [
//	    {"day": "Mon", "open": "7:00", "close": "15:00"}, ...
//	  ]
//	}
//
// The "today" row is detected server-side by comparing each row's day to the
// current local weekday — no JS required.
func HoursStripBlock(ctx context.Context, content map[string]any) string {
	todayLabel := getString(content, "todayLabel")
	if todayLabel == "" {
		todayLabel = "Today"
	}

	today := shortDayName(time.Now())

	rawHours := getSlice(content, "hours")
	var rows []HoursRow
	for _, h := range rawHours {
		day := normaliseDay(getString(h, "day"))
		rows = append(rows, HoursRow{
			Day:     day,
			Open:    getString(h, "open"),
			Close:   getString(h, "close"),
			IsToday: day != "" && day == today,
		})
	}

	data := HoursStripData{
		TodayLabel: todayLabel,
		Rows:       rows,
	}

	var buf bytes.Buffer
	_ = hoursStripComponent(data).Render(ctx, &buf)
	return buf.String()
}

// HoursStripData contains data for the hours strip component.
type HoursStripData struct {
	TodayLabel string
	Rows       []HoursRow
}

// HoursRow represents one weekday's hours.
type HoursRow struct {
	Day     string
	Open    string
	Close   string
	IsToday bool
}