package main

import (
	"embed"
	"io/fs"
	"net/http"

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

//go:embed assets/*
var assetsFS embed.FS

//go:embed schemas/*
var schemasFS embed.FS

//go:embed presets.json
var presetsData []byte

//go:embed fonts.json
var fontsData []byte

//go:embed plugin.mod
var pluginModBytes []byte

// Assets returns the embedded assets filesystem.
func Assets() fs.FS {
	sub, _ := fs.Sub(assetsFS, "assets")
	return sub
}

// Schemas returns the embedded schemas filesystem.
func Schemas() fs.FS {
	sub, _ := fs.Sub(schemasFS, "schemas")
	return sub
}

// AssetsHandler returns an http.Handler that serves the embedded assets.
func AssetsHandler() http.Handler {
	return http.FileServer(http.FS(Assets()))
}

// ThemePresets returns the embedded theme presets JSON.
func ThemePresets() []byte {
	return presetsData
}

// BundledFonts returns the embedded fonts manifest JSON.
// Coffee ships fonts.json = [] per FONTS.md wave-1 policy; recommended fonts
// (Fraunces, Inter, JetBrains Mono) are documented in RECOMMENDED_FONTS.md.
func BundledFonts() []byte {
	return fontsData
}

// ThemeCSSManifest returns the additional CSS that Tailwind should include
// when this theme is active (paper texture, torn-edge mask, kraft-tag button,
// drop-cap, font-family variable fallbacks).
func ThemeCSSManifest() *plugin.CSSManifest {
	css, err := assetsFS.ReadFile("assets/style.css")
	if err != nil {
		return &plugin.CSSManifest{}
	}
	return &plugin.CSSManifest{
		InputCSSAppend: string(css),
	}
}