package accessctl

import (
	"dehub/sigcred"
	"reflect"
	"testing"
)

func TestConditionSignatureSatisfied(t *testing.T) {
	tests := []struct {
		descr          string
		cond           ConditionSignature
		credAccountIDs []string
		err            error
	}{
		{
			descr: "no cred accounts",
			cond: ConditionSignature{
				AnyAccount: true,
				Count:      "1",
			},
			err: ErrConditionSignatureUnsatisfied{
				TargetNumAccounts: 1,
				NumAccounts:       0,
			},
		},
		{
			descr: "one cred account",
			cond: ConditionSignature{
				AnyAccount: true,
				Count:      "1",
			},
			credAccountIDs: []string{"foo"},
		},
		{
			descr: "one matching cred account",
			cond: ConditionSignature{
				AccountIDs: []string{"foo", "bar"},
				Count:      "1",
			},
			credAccountIDs: []string{"foo"},
		},
		{
			descr: "no matching cred account",
			cond: ConditionSignature{
				AccountIDs: []string{"foo", "bar"},
				Count:      "1",
			},
			credAccountIDs: []string{"baz"},
			err: ErrConditionSignatureUnsatisfied{
				TargetNumAccounts: 1,
				NumAccounts:       0,
			},
		},
		{
			descr: "two matching cred accounts",
			cond: ConditionSignature{
				AccountIDs: []string{"foo", "bar"},
				Count:      "2",
			},
			credAccountIDs: []string{"foo", "bar"},
		},
		{
			descr: "one matching cred account, missing one",
			cond: ConditionSignature{
				AccountIDs: []string{"foo", "bar"},
				Count:      "2",
			},
			credAccountIDs: []string{"foo", "baz"},
			err: ErrConditionSignatureUnsatisfied{
				TargetNumAccounts: 2,
				NumAccounts:       1,
			},
		},
		{
			descr: "50 percent matching cred accounts",
			cond: ConditionSignature{
				AccountIDs: []string{"foo", "bar", "baz"},
				Count:      "50%",
			},
			credAccountIDs: []string{"foo", "bar"},
		},
		{
			descr: "not 50 percent matching cred accounts",
			cond: ConditionSignature{
				AccountIDs: []string{"foo", "bar", "baz"},
				Count:      "50%",
			},
			credAccountIDs: []string{"foo"},
			err: ErrConditionSignatureUnsatisfied{
				TargetNumAccounts: 2,
				NumAccounts:       1,
			},
		},
	}

	for _, test := range tests {
		t.Run(test.descr, func(t *testing.T) {
			creds := make([]sigcred.Credential, len(test.credAccountIDs))
			for i := range test.credAccountIDs {
				creds[i].AccountID = test.credAccountIDs[i]
			}

			err := test.cond.Satisfied(creds)
			if !reflect.DeepEqual(err, test.err) {
				t.Fatalf("Satisfied returned %#v\nexpected %#v", err, test.err)
			}
		})
	}
}