/*
 * Copyright (c) 2019 Alex aka mailoman <alex@webz.asia>
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *   @author Alex aka mailoman <alex@webz.asia>
 *   @copyright Copyright (c) 2019 Alex aka mailoman <alex@webz.asia>
 *   @since 18.12.2019
 *
 */

package echoswagger

import (
	"net/http/httptest"
	"testing"

	"github.com/labstack/echo/v4"
	"github.com/stretchr/testify/assert"
)

func TestSecurity(t *testing.T) {
	r := New(echo.New(), "doc/", nil)
	scope := map[string]string{
		"read:users":  "read users",
		"write:users": "modify users",
	}
	r.AddSecurityOAuth2("OAuth2", "OAuth2 Auth", OAuth2FlowAccessCode, "http://petstore.swagger.io/oauth/dialog", "", scope)
	r.AddSecurityOAuth2("", "OAuth2 Auth", OAuth2FlowAccessCode, "http://petstore.swagger.io/oauth/dialog", "", scope)
	r.AddSecurityAPIKey("JWT", "JWT Token", SecurityInQuery)
	r.AddSecurityAPIKey("", "JWT Token", SecurityInHeader)
	r.AddSecurityBasic("Basic", "Basic Auth")
	r.AddSecurityBasic("Basic", "Basic Auth")

	spec := r.(*Root).spec
	assert.Len(t, spec.SecurityDefinitions, 3)
	assert.Equal(t, spec.SecurityDefinitions, map[string]*SecurityDefinition{
		"JWT": &SecurityDefinition{
			Type:        "apiKey",
			Description: "JWT Token",
			Name:        "JWT",
			In:          string(SecurityInQuery),
		},
		"Basic": &SecurityDefinition{
			Type:        "basic",
			Description: "Basic Auth",
		},
		"OAuth2": &SecurityDefinition{
			Type:             "oauth2",
			Description:      "OAuth2 Auth",
			Flow:             string(OAuth2FlowAccessCode),
			AuthorizationURL: "http://petstore.swagger.io/oauth/dialog",
			TokenURL:         "",
			Scopes:           scope,
		},
	})

	t.Run("Or2Security", func(t *testing.T) {
		var h func(e echo.Context) error
		g := r.Group("OrGroup", "org")
		a := g.GET("/or", h)

		a.SetSecurity("JWT", "Basic")
		assert.Len(t, a.(*api).security, 1)
		assert.Len(t, a.(*api).security[0], 2)
		assert.Equal(t, a.(*api).security[0], map[string][]string{
			"JWT":   []string{},
			"Basic": []string{},
		})

		g.SetSecurity("JWT", "Basic")
		assert.Len(t, g.(*group).security, 1)
		assert.Len(t, g.(*group).security[0], 2)
		assert.Equal(t, g.(*group).security[0], map[string][]string{
			"JWT":   []string{},
			"Basic": []string{},
		})
	})

	t.Run("And2Security", func(t *testing.T) {
		var h func(e echo.Context) error
		g := r.Group("AndGroup", "andg")
		a := g.GET("/and", h)

		a.SetSecurity("JWT")
		a.SetSecurity("Basic")
		assert.Len(t, a.(*api).security, 2)
		assert.Len(t, a.(*api).security[0], 1)
		assert.Equal(t, a.(*api).security[0], map[string][]string{
			"JWT": []string{},
		})
		assert.Len(t, a.(*api).security[1], 1)
		assert.Equal(t, a.(*api).security[1], map[string][]string{
			"Basic": []string{},
		})

		g.SetSecurity("JWT")
		g.SetSecurity("Basic")
		assert.Len(t, g.(*group).security, 2)
		assert.Len(t, g.(*group).security[0], 1)
		assert.Equal(t, g.(*group).security[0], map[string][]string{
			"JWT": []string{},
		})
		assert.Len(t, g.(*group).security[1], 1)
		assert.Equal(t, g.(*group).security[1], map[string][]string{
			"Basic": []string{},
		})
	})

	t.Run("OAuth2Security", func(t *testing.T) {
		var h func(e echo.Context) error
		g := r.Group("OAuth2Group", "oauth2g")
		a := g.GET("/oauth2", h)

		s := map[string][]string{
			"OAuth2": []string{"write:users", "read:users"},
		}
		a.SetSecurityWithScope(s)
		assert.Len(t, a.(*api).security, 1)
		assert.Len(t, a.(*api).security[0], 1)
		assert.Equal(t, a.(*api).security[0], map[string][]string{
			"OAuth2": []string{"write:users", "read:users"},
		})

		g.SetSecurityWithScope(s)
		assert.Len(t, g.(*group).security, 1)
		assert.Len(t, g.(*group).security[0], 1)
		assert.Equal(t, g.(*group).security[0], map[string][]string{
			"OAuth2": []string{"write:users", "read:users"},
		})
	})

	t.Run("OAuth2SecuritySpecial", func(t *testing.T) {
		var h func(e echo.Context) error
		g := r.Group("OAuth2GroupSpecial", "oauth2sg")
		a := g.GET("/oauth2s", h)

		s1 := map[string][]string{}
		a.SetSecurityWithScope(s1)
		assert.Len(t, a.(*api).security, 0)

		s2 := map[string][]string{
			"OAuth2": []string{},
		}
		g.SetSecurityWithScope(s2)
		assert.Len(t, g.(*group).security, 1)
		assert.Len(t, g.(*group).security[0], 1)
		assert.Equal(t, g.(*group).security[0], map[string][]string{
			"OAuth2": []string{},
		})
	})

	t.Run("RepeatSecurity", func(t *testing.T) {
		var h func(e echo.Context) error
		g := r.Group("RepeatGroup", "repeatg")
		a := g.GET("/repeat", h)

		a.SetSecurity("JWT")
		assert.Len(t, a.(*api).security, 1)

		g.SetSecurity("JWT")
		assert.Len(t, g.(*group).security, 1)

		e := r.(*Root).echo
		req := httptest.NewRequest(echo.GET, "/doc/swagger.json", nil)
		rec := httptest.NewRecorder()
		c := e.NewContext(req, rec)
		if assert.NoError(t, r.(*Root).genSpec(c)) {
			o := r.(*Root).spec.Paths["/repeatg/repeat"]
			assert.NotNil(t, o)
			assert.Len(t, o.(*Path).Get.Security, 1)
			assert.Len(t, o.(*Path).Get.Security[0], 1)
			assert.Equal(t, o.(*Path).Get.Security[0], map[string][]string{
				"JWT": []string{},
			})
		}
	})

	t.Run("NotFoundSecurity", func(t *testing.T) {
		var h func(e echo.Context) error
		g := r.Group("NotFoundGroup", "nfg")
		a := g.GET("/notfound", h)

		a.SetSecurity("AuthKey")
		assert.Len(t, a.(*api).security, 1)

		e := r.(*Root).echo
		req := httptest.NewRequest(echo.GET, "/doc/swagger.json", nil)
		rec := httptest.NewRecorder()
		c := e.NewContext(req, rec)
		assert.Error(t, r.(*Root).genSpec(c))
	})

	t.Run("EmptySecurity", func(t *testing.T) {
		var h func(e echo.Context) error
		g := r.Group("EmptyGroup", "eg")
		a := g.GET("/empty", h)

		g.SetSecurity()
		assert.Len(t, g.(*group).security, 0)

		a.SetSecurity()
		assert.Len(t, a.(*api).security, 0)
	})
}

func TestSecurityRepeat(t *testing.T) {
	r := New(echo.New(), "doc/", nil)
	scope := map[string]string{
		"read:users":  "read users",
		"write:users": "modify users",
	}
	r.AddSecurityOAuth2("OAuth2", "OAuth2 Auth", OAuth2FlowAccessCode, "http://petstore.swagger.io/oauth/dialog", "", scope)
	r.AddSecurityAPIKey("JWT", "JWT Token", SecurityInQuery)
	r.AddSecurityBasic("Basic", "Basic Auth")

	t.Run("RepeatSecurity", func(t *testing.T) {
		h := func(e echo.Context) error {
			return nil
		}
		a := r.GET("/repeat", h)

		sa := map[string][]string{
			"OAuth2": []string{"write:users", "read:users"},
		}
		sb := map[string][]string{
			"OAuth2": []string{"write:users"},
		}
		sc := map[string][]string{
			"OAuth2": []string{"write:spots"},
		}
		a.SetSecurityWithScope(sa)
		a.SetSecurityWithScope(sb)
		a.SetSecurityWithScope(sc)
		a.SetSecurity("JWT", "Basic")
		a.SetSecurity("JWT")
		a.SetSecurity("Basic")
		a.SetSecurity("JWT")
		assert.Len(t, a.(*api).security, 7)
		assert.Len(t, a.(*api).security[0], 1)
		assert.Len(t, a.(*api).security[1], 1)
		assert.Len(t, a.(*api).security[2], 1)
		assert.Len(t, a.(*api).security[3], 2)
		assert.Len(t, a.(*api).security[4], 1)
		assert.Len(t, a.(*api).security[5], 1)
		assert.Len(t, a.(*api).security[6], 1)

		req := httptest.NewRequest(echo.GET, "/doc/swagger.json", nil)
		rec := httptest.NewRecorder()
		c := r.(*Root).echo.NewContext(req, rec)
		assert.NoError(t, r.(*Root).genSpec(c))
		router := r.(*Root).spec.Paths["/repeat"]
		se := router.(*Path).Get.Security

		assert.Len(t, se, 6)
	})
}