package seatlist

import (
	"bytes"
	"os"
	"path/filepath"
	"slices"
	"testing"

	"git.novox.be/novox/mesh-sdk/go/internal/beside"
)

// ADR 0635 §3, ADR 0608 §2: a bootstrapped definition is a copy of its seat's file in its contracts module, byte for
// byte, and a seat with a copy has a row here. The contracts are read beside this repository, as a merge check places
// them (mesh-contracts, and mesh-delivery for its `contracts` folder) or, elsewhere, from the copy captured in
// testdata/beside.
func TestEveryBootstrappedDefinitionEqualsItsContractsFile(t *testing.T) {
	rows := []struct{ seat, repository, file string }{
		{"mesh-broker", "mesh-contracts", "seats/mesh-broker/seat.json"},
		{"mesh-config", "mesh-contracts", "seats/mesh-config/seat.json"},
		{"node-engine", "mesh-contracts", "seats/node-engine/seat.json"},
		{"node-backup", "mesh-contracts", "seats/node-backup/seat.json"},
		{"mesh-conditions", "mesh-contracts", "health-and-repair/seats/mesh-conditions/seat.json"},
		{"mesh-hand-acts", "mesh-contracts", "health-and-repair/seats/mesh-hand-acts/seat.json"},
		{"mesh-watchdogs", "mesh-contracts", "health-and-repair/seats/mesh-watchdogs/seat.json"},
		{"operator-channel", "mesh-contracts", "operator-and-conversation/seats/operator-channel/seat.json"},
		{"mesh-catalog", "mesh-delivery", "contracts/seats/mesh-catalog/seat.json"},
		{"mesh-delivery-checker", "mesh-delivery", "contracts/seats/mesh-delivery-checker/seat.json"},
	}
	var have []string
	for _, d := range Bootstrapped() {
		have = append(have, d.Seat)
	}
	var want []string
	for _, r := range rows {
		want = append(want, r.seat)
	}
	slices.Sort(want)
	if !slices.Equal(have, want) {
		t.Fatalf("the bootstrapped seats are %v, the rows of this test %v: give each bootstrapped seat a row", have, want)
	}
	for _, r := range rows {
		t.Run(r.seat, func(t *testing.T) {
			copied, err := bootstrapFiles.ReadFile("bootstrap/" + r.seat + ".json")
			if err != nil {
				t.Fatal(err)
			}
			contract, err := os.ReadFile(filepath.Join(beside.Dir(t, r.repository), filepath.FromSlash(r.file)))
			if err != nil {
				t.Fatal(err)
			}
			if !bytes.Equal(copied, contract) {
				t.Errorf("seatlist/bootstrap/%s.json differs from %s's %s: replace the copy with the contracts' file (ADR 0635 §3)",
					r.seat, r.repository, r.file)
			}
		})
	}
}