package main

import (
	"encoding/json"
	"os"
	"strings"
	"testing"
)

// The bus's storage stays declared as data protected by a backup (novox/hq ADR 0408 clause 7; issue 1098): the
// assignments, rollouts and builds now live in the bus's buckets, so a manifest that stopped saying so would leave
// the one copy of them unprotected. The storage directory is declared as valuable data with a dump into the
// snapshots directory, which is itself declared.
func TestTheBusStorageIsDeclaredAsDataProtectedByABackup(t *testing.T) {
	raw, err := os.ReadFile("../../module.json")
	if err != nil {
		t.Fatal(err)
	}
	var m struct {
		Data struct {
			Own []struct {
				ID     string `json:"id"`
				Path   string `json:"path"`
				Class  string `json:"class"`
				Backup *struct {
					Dump string `json:"dump"`
					Into string `json:"into"`
				} `json:"backup"`
			} `json:"own"`
		} `json:"data"`
		Resources []struct {
			ID   string `json:"id"`
			Type string `json:"type"`
		} `json:"resources"`
	}
	if err := json.Unmarshal(raw, &m); err != nil {
		t.Fatal(err)
	}
	var storage, snapshots bool
	for _, d := range m.Data.Own {
		switch d.ID {
		case "jetstream":
			if d.Path != "${dir:jetstream-data}" || d.Class != "valuable" {
				t.Errorf("the bus's storage is declared as %q, class %q", d.Path, d.Class)
			}
			if d.Backup == nil || strings.TrimSpace(d.Backup.Dump) == "" || d.Backup.Into != "snapshots" {
				t.Errorf("the bus's storage has no dump into the snapshots: %+v", d.Backup)
			}
			storage = true
		case "snapshots":
			snapshots = true
		}
	}
	if !storage || !snapshots {
		t.Errorf("the bus's storage declared: %v, and its snapshots: %v", storage, snapshots)
	}
	var dirs []string
	for _, r := range m.Resources {
		if r.Type == "directory" {
			dirs = append(dirs, r.ID)
		}
	}
	for _, want := range []string{"jetstream-data", "snapshots"} {
		found := false
		for _, id := range dirs {
			found = found || id == want
		}
		if !found {
			t.Errorf("the directory %s is not a declared resource (directories: %v)", want, dirs)
		}
	}
}