package main

import (
	"bytes"
	"context"
	"strings"

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

// KeybindTableBlockMeta defines metadata for the keybind table block.
var KeybindTableBlockMeta = blocks.BlockMeta{
	Key:         "keybind_table",
	Title:       "Keybinding Table",
	Description: "Two-column key + action reference table",
	Source:      "terminal",
	Category:    blocks.CategoryContent,
}

// KeybindRow is a single keybind table row.
type KeybindRow struct {
	Keys   []string
	Action string
}

// KeybindTableData is the parsed content for the keybind_table block.
type KeybindTableData struct {
	Rows []KeybindRow
}

// KeybindTableBlock renders a key/action reference table.
// Content shape: {rows[{keys, action}]}.
func KeybindTableBlock(ctx context.Context, content map[string]any) string {
	rows := getSlice(content, "rows")
	tableRows := make([]KeybindRow, 0, len(rows))
	for _, r := range rows {
		keys := getString(r, "keys")
		// Split combos on whitespace so we can render individual <kbd> elements.
		parts := strings.Fields(keys)
		if len(parts) == 0 && keys != "" {
			parts = []string{keys}
		}
		tableRows = append(tableRows, KeybindRow{
			Keys:   parts,
			Action: getString(r, "action"),
		})
	}
	if len(tableRows) == 0 {
		return ""
	}
	data := KeybindTableData{Rows: tableRows}

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