package args

import (
	"testing"
	"time"
)

func TestNewArg(t *testing.T) {
	NewArg(INT, "key", "help", 5)
}

func TestGets(t *testing.T) {
	cases := []struct {
		t  Type
		v  interface{}
		ok bool
	}{
		{
			t:  FLOAT,
			v:  "a",
			ok: false,
		},
		{
			t:  FLOAT,
			v:  float32(1.0),
			ok: true,
		},
		{
			t:  TIME,
			v:  "2019",
			ok: false,
		},
		{
			t:  TIME,
			v:  time.Date(2019, 03, 22, 0, 0, 0, 0, time.UTC),
			ok: true,
		},
		{
			t:  STRING,
			v:  5,
			ok: false,
		},
		{
			t:  DURATION,
			v:  5,
			ok: false,
		},
		{
			t:  BOOL,
			v:  5,
			ok: false,
		},
		{
			t:  INT,
			v:  "5",
			ok: false,
		},
		{
			t:  STRING,
			v:  "5",
			ok: true,
		},
		{
			t:  DURATION,
			v:  time.Duration(5),
			ok: true,
		},
		{
			t:  BOOL,
			v:  true,
			ok: true,
		},
		{
			t:  INT,
			v:  5,
			ok: true,
		},
	}

	for _, c := range cases {
		a := NewArg(c.t, "key", "help", c.v)
		switch c.t {
		case INT:
			if (a.GetInt() == c.v) != c.ok {
				t.Errorf("failed to get int: want %v, got %v", c.v, a.GetInt())
			}
		case STRING:
			if (a.GetString() == c.v) != c.ok {
				t.Errorf("failed to get string: want %v, got %v", c.v, a.GetString())
			}
		case BOOL:
			if (a.GetBool() == c.v) != c.ok {
				t.Errorf("failed to get bool: want %v, got %v", c.v, a.GetBool())
			}
		case DURATION:
			if (a.GetDuration() == c.v) != c.ok {
				t.Errorf("failed to get duration: want %v, got %v", c.v, a.GetDuration())
			}
		case TIME:
			if (a.GetTime() == c.v) != c.ok {
				t.Errorf("failed to get time: want %v, got %v", c.v, a.GetTime())
			}
		case FLOAT:
			if (a.GetFloat() == c.v) != c.ok {
				t.Errorf("failed to get float: want %v, got %v", c.v, a.GetFloat())
			}
		}
	}
}

func TestSets(t *testing.T) {
	cases := []struct {
		t  Type
		v  interface{}
		ok bool
	}{
		{
			t:  FLOAT,
			v:  "a",
			ok: false,
		},
		{
			t:  FLOAT,
			v:  "1.0",
			ok: true,
		},
		{
			t:  FLOAT,
			v:  1.0,
			ok: true,
		},
		{
			t:  FLOAT,
			v:  1,
			ok: true,
		},
		{
			t:  FLOAT,
			v:  "1",
			ok: true,
		},
		{
			t:  TIME,
			v:  "2019",
			ok: false,
		},
		{
			t:  TIME,
			v:  "2019-03-22",
			ok: true,
		},
		{
			t:  STRING,
			v:  5,
			ok: false,
		},
		{
			t:  DURATION,
			v:  5,
			ok: false,
		},
		{
			t:  BOOL,
			v:  5,
			ok: false,
		},
		{
			t:  INT,
			v:  "a",
			ok: false,
		},
		{
			t:  STRING,
			v:  "5",
			ok: true,
		},
		{
			t:  DURATION,
			v:  time.Duration(5),
			ok: true,
		},
		{
			t:  BOOL,
			v:  true,
			ok: true,
		},
		{
			t:  INT,
			v:  5,
			ok: true,
		},
	}

	for i, c := range cases {
		a := NewArg(c.t, "key", "help", nil)
		if err := a.Set(c.v); (err == nil) != c.ok {
			t.Errorf("[%d] failed to set %v: want ok=%v, got %v", i, c.t, c.ok, err)
		}
	}
}