package twhelp_test

import (
	"encoding/json"
	"testing"

	"gitea.dwysokinski.me/twhelp/dcbot/internal/twhelp"
	"github.com/stretchr/testify/assert"
)

func TestNullTribeMeta_MarshalJSON(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name         string
		tribe        twhelp.NullTribeMeta
		expectedJSON string
	}{
		{
			name: "OK: null 1",
			tribe: twhelp.NullTribeMeta{
				Tribe: twhelp.TribeMeta{},
				Valid: false,
			},
			expectedJSON: "null",
		},
		{
			name: "OK: null 2",
			tribe: twhelp.NullTribeMeta{
				Tribe: twhelp.TribeMeta{ID: 1234},
				Valid: false,
			},
			expectedJSON: "null",
		},
		{
			name: "OK: valid struct",
			tribe: twhelp.NullTribeMeta{
				Tribe: twhelp.TribeMeta{
					ID:         997,
					Name:       "name 997",
					Tag:        "tag 997",
					ProfileURL: "profile-997",
				},
				Valid: true,
			},
			expectedJSON: `{"id":997,"name":"name 997","tag":"tag 997","profileUrl":"profile-997"}`,
		},
	}

	for _, tt := range tests {
		tt := tt

		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			b, err := json.Marshal(tt.tribe)
			assert.NoError(t, err)
			assert.JSONEq(t, tt.expectedJSON, string(b))
		})
	}
}

func TestNullTribeMeta_UnmarshalJSON(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name                    string
		json                    string
		expectedTribe           twhelp.NullTribeMeta
		expectedJSONSyntaxError bool
	}{
		{
			name: "OK: null",
			json: "null",
			expectedTribe: twhelp.NullTribeMeta{
				Tribe: twhelp.TribeMeta{},
				Valid: false,
			},
		},
		{
			name: "OK: valid struct",
			//nolint:lll
			json: `{"id":997,"name":"name 997","tag":"tag 997","profileUrl":"profile-997"}`,
			expectedTribe: twhelp.NullTribeMeta{
				Tribe: twhelp.TribeMeta{
					ID:         997,
					Name:       "name 997",
					Tag:        "tag 997",
					ProfileURL: "profile-997",
				},
				Valid: true,
			},
		},
		{
			name:                    "ERR: invalid tribe 1",
			json:                    "2022-07-30T14:13:12.0000005Z",
			expectedTribe:           twhelp.NullTribeMeta{},
			expectedJSONSyntaxError: true,
		},
		{
			name:                    "ERR: invalid tribe 2",
			json:                    "hello world",
			expectedTribe:           twhelp.NullTribeMeta{},
			expectedJSONSyntaxError: true,
		},
	}

	for _, tt := range tests {
		tt := tt

		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			var target twhelp.NullTribeMeta
			err := json.Unmarshal([]byte(tt.json), &target)
			if tt.expectedJSONSyntaxError {
				var syntaxError *json.SyntaxError
				assert.ErrorAs(t, err, &syntaxError)
			} else {
				assert.NoError(t, err)
			}
			assert.Equal(t, tt.expectedTribe, target)
		})
	}
}

func TestNullPlayerMeta_MarshalJSON(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name         string
		player       twhelp.NullPlayerMeta
		expectedJSON string
	}{
		{
			name: "OK: null 1",
			player: twhelp.NullPlayerMeta{
				Player: twhelp.PlayerMeta{},
				Valid:  false,
			},
			expectedJSON: "null",
		},
		{
			name: "OK: null 2",
			player: twhelp.NullPlayerMeta{
				Player: twhelp.PlayerMeta{ID: 1234},
				Valid:  false,
			},
			expectedJSON: "null",
		},
		{
			name: "OK: valid struct",
			player: twhelp.NullPlayerMeta{
				Player: twhelp.PlayerMeta{
					ID:         997,
					Name:       "name 997",
					ProfileURL: "profile-997",
					Tribe: twhelp.NullTribeMeta{
						Valid: true,
						Tribe: twhelp.TribeMeta{
							ID:         1234,
							Name:       "name 997",
							ProfileURL: "profile-997",
							Tag:        "tag 997",
						},
					},
				},
				Valid: true,
			},
			//nolint:lll
			expectedJSON: `{"id":997,"name":"name 997","profileUrl":"profile-997","tribe":{"id":1234,"name":"name 997","profileUrl":"profile-997","tag":"tag 997"}}`,
		},
	}

	for _, tt := range tests {
		tt := tt

		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			b, err := json.Marshal(tt.player)
			assert.NoError(t, err)
			assert.JSONEq(t, tt.expectedJSON, string(b))
		})
	}
}

func TestNullPlayerMeta_UnmarshalJSON(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name                    string
		json                    string
		expectedPlayer          twhelp.NullPlayerMeta
		expectedJSONSyntaxError bool
	}{
		{
			name: "OK: null",
			json: "null",
			expectedPlayer: twhelp.NullPlayerMeta{
				Player: twhelp.PlayerMeta{},
				Valid:  false,
			},
		},
		{
			name: "OK: valid struct",
			//nolint:lll
			json: `{"id":997,"name":"name 997","profileUrl":"profile-997","tribe":{"id":1234,"name":"name 997","profileUrl":"profile-997","tag":"tag 997"}}`,
			expectedPlayer: twhelp.NullPlayerMeta{
				Player: twhelp.PlayerMeta{
					ID:         997,
					Name:       "name 997",
					ProfileURL: "profile-997",
					Tribe: twhelp.NullTribeMeta{
						Valid: true,
						Tribe: twhelp.TribeMeta{
							ID:         1234,
							Name:       "name 997",
							ProfileURL: "profile-997",
							Tag:        "tag 997",
						},
					},
				},
				Valid: true,
			},
		},
		{
			name:                    "ERR: invalid tribe 1",
			json:                    "2022-07-30T14:13:12.0000005Z",
			expectedPlayer:          twhelp.NullPlayerMeta{},
			expectedJSONSyntaxError: true,
		},
		{
			name:                    "ERR: invalid tribe 2",
			json:                    "hello world",
			expectedPlayer:          twhelp.NullPlayerMeta{},
			expectedJSONSyntaxError: true,
		},
	}

	for _, tt := range tests {
		tt := tt

		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			var target twhelp.NullPlayerMeta
			err := json.Unmarshal([]byte(tt.json), &target)
			if tt.expectedJSONSyntaxError {
				var syntaxError *json.SyntaxError
				assert.ErrorAs(t, err, &syntaxError)
			} else {
				assert.NoError(t, err)
			}
			assert.Equal(t, tt.expectedPlayer, target)
		})
	}
}