package seatlist

import (
	"embed"
	"fmt"
	"sort"

	"git.novox.be/novox/mesh-sdk/go/seatdef"
)

// The foundation's bootstrapped definitions (novox/hq ADR 0608 §2, ADR 0635 §3): the seats the foundation's parts claim
// and invoke before the indexer has run, kept as the definitions' own files (`bootstrap/<seat>.json`, the format's own
// text, whole or at the seat list's grain) and embedded as data. A reader holds them until the owner answers, and says so
// (Status). **They are copies:** a seat's definition is the one in its contracts module, and a test there holds each of
// these files equal to it; where a seat moves or changes, its file here is replaced by the same change. Which seats are
// the foundation's, and how a fresh mesh gets them without a copy, is research 075's.
//
//go:embed bootstrap/*.json
var bootstrapFiles embed.FS

// Bootstrapped are the foundation's definitions, by seat name. It panics on a file that does not parse, which the
// package's test refuses to let ship.
func Bootstrapped() []seatdef.Definition {
	entries, err := bootstrapFiles.ReadDir("bootstrap")
	if err != nil {
		panic(err)
	}
	var out []seatdef.Definition
	for _, e := range entries {
		raw, err := bootstrapFiles.ReadFile("bootstrap/" + e.Name())
		if err != nil {
			panic(err)
		}
		d, err := seatdef.Parse(raw)
		if err != nil {
			panic(fmt.Sprintf("seatlist: bootstrap/%s does not parse: %v", e.Name(), err))
		}
		out = append(out, d)
	}
	sort.Slice(out, func(i, j int) bool { return out[i].Seat < out[j].Seat })
	return out
}