package main

import (
	"os"
	"path/filepath"
	"testing"
)

func TestLoadPlanCatalogEnv(t *testing.T) {
	t.Setenv("CARLOS_PLAN_CATALOG", "")
	if c, err := planCatalog(); c != nil || err != nil {
		t.Fatalf("unset: %v, %v", c, err)
	}
	t.Setenv("CARLOS_PLAN_CATALOG", "../../internal/plans/testdata/example-catalog.json")
	if c, err := planCatalog(); c == nil || err != nil {
		t.Fatalf("example: %v, %v", c, err)
	}
	bad := filepath.Join(t.TempDir(), "bad.json")
	if err := os.WriteFile(bad, []byte(`{"version": ""}`), 0o600); err != nil {
		t.Fatal(err)
	}
	for _, p := range []string{bad, filepath.Join(t.TempDir(), "missing.json")} {
		t.Setenv("CARLOS_PLAN_CATALOG", p)
		if c, err := planCatalog(); c != nil || err == nil {
			t.Fatalf("%s: %v, %v; want an error", p, c, err)
		}
	}
}