// SPDX-License-Identifier: BSD-3-Clause

package cli_test

import (
	"testing"

	"git.froth.zone/sam/awl/cli"

	"github.com/miekg/dns"
	"gotest.tools/v3/assert"
)

func TestParseArgs(t *testing.T) {
	t.Parallel()
	args := []string{
		"go.dev",
		"AAAA",
		"@1.1.1.1",
		"+ignore",
	}
	opts := new(cli.Options)
	err := cli.ParseMiscArgs(args, opts)
	assert.NilError(t, err)
	assert.Equal(t, opts.Request.Name, "go.dev.")
	assert.Equal(t, opts.Request.Type, dns.StringToType["AAAA"])
	assert.Equal(t, opts.Request.Server, "1.1.1.1")
	assert.Equal(t, opts.Truncate, true)
}

func TestParseNoInput(t *testing.T) {
	t.Parallel()
	args := []string{}
	opts := new(cli.Options)
	err := cli.ParseMiscArgs(args, opts)
	assert.NilError(t, err)
	assert.Equal(t, opts.Request.Name, ".")
	assert.Equal(t, opts.Request.Type, dns.StringToType["NS"])
}

func TestParseA(t *testing.T) {
	t.Parallel()
	args := []string{
		"golang.org.",
	}
	opts := new(cli.Options)
	err := cli.ParseMiscArgs(args, opts)
	assert.NilError(t, err)
	assert.Equal(t, opts.Request.Name, "golang.org.")
	assert.Equal(t, opts.Request.Type, dns.StringToType["A"])
}

func TestParsePTR(t *testing.T) {
	t.Parallel()
	args := []string{"8.8.8.8"}
	opts := new(cli.Options)
	opts.Reverse = true
	err := cli.ParseMiscArgs(args, opts)
	assert.NilError(t, err)
	assert.Equal(t, opts.Request.Type, dns.StringToType["PTR"])
}

func TestDefaultServer(t *testing.T) {
	t.Parallel()
	tests := []struct {
		in   string
		want string
	}{
		{"TLS", "dns.google"},
		{"HTTPS", "https://dns.cloudflare.com/dns-query"},
		{"QUIC", "dns.adguard.com"},
	}
	for _, test := range tests {
		test := test
		t.Run(test.in, func(t *testing.T) {
			t.Parallel()
			args := []string{}
			opts := new(cli.Options)
			switch test.in {
			case "TLS":
				opts.TLS = true
			case "HTTPS":
				opts.HTTPS = true
			case "QUIC":
				opts.QUIC = true
			}
			err := cli.ParseMiscArgs(args, opts)
			assert.NilError(t, err)
			assert.Equal(t, opts.Request.Server, test.want)
		})
	}
}

func FuzzParseArgs(f *testing.F) {
	cases := []string{
		"go.dev",
		"AAAA",
		"@1.1.1.1",
		"+ignore",
		"e",
	}
	for _, tc := range cases {
		f.Add(tc)
	}
	f.Fuzz(func(t *testing.T, arg string) {
		args := []string{arg}
		opts := new(cli.Options)
		//nolint:errcheck // Only make sure the program does not crash
		cli.ParseMiscArgs(args, opts)
	})
}