// Statup
// Copyright (C) 2018.  Hunter Long and the project contributors
// Written by Hunter Long <info@socialeck.com> and the project contributors
//
// https://github.com/hunterlong/statup
//
// The licenses for most software and other practical works are designed
// to take away your freedom to share and change the works.  By contrast,
// the GNU General Public License is intended to guarantee your freedom to
// share and change all versions of a program--to make sure it remains free
// software for all its users.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package core

import (
	"fmt"
	"github.com/hunterlong/statup/types"
	"github.com/hunterlong/statup/utils"
	"math/rand"
	"time"
)

// InsertSampleData will create the example/dummy services for a brand new Statup installation
func InsertSampleData() error {
	utils.Log(1, "Inserting Sample Data...")
	s1 := ReturnService(&types.Service{
		Name:           "Google",
		Domain:         "https://google.com",
		ExpectedStatus: 200,
		Interval:       10,
		Type:           "http",
		Method:         "GET",
		Timeout:        10,
		Order:          1,
	})
	s2 := ReturnService(&types.Service{
		Name:           "Statup Github",
		Domain:         "https://github.com/hunterlong/statup",
		ExpectedStatus: 200,
		Interval:       30,
		Type:           "http",
		Method:         "GET",
		Timeout:        20,
		Order:          2,
	})
	s3 := ReturnService(&types.Service{
		Name:           "JSON Users Test",
		Domain:         "https://jsonplaceholder.typicode.com/users",
		ExpectedStatus: 200,
		Interval:       60,
		Type:           "http",
		Method:         "GET",
		Timeout:        30,
		Order:          3,
	})
	s4 := ReturnService(&types.Service{
		Name:           "JSON API Tester",
		Domain:         "https://jsonplaceholder.typicode.com/posts",
		ExpectedStatus: 201,
		Expected:       `(title)": "((\\"|[statup])*)"`,
		Interval:       30,
		Type:           "http",
		Method:         "POST",
		PostData:       `{ "title": "statup", "body": "bar", "userId": 19999 }`,
		Timeout:        30,
		Order:          4,
	})
	s5 := ReturnService(&types.Service{
		Name:     "Google DNS",
		Domain:   "8.8.8.8",
		Interval: 20,
		Type:     "tcp",
		Port:     53,
		Timeout:  120,
		Order:    5,
	})

	s1.Create(false)
	s2.Create(false)
	s3.Create(false)
	s4.Create(false)
	s5.Create(false)

	utils.Log(1, "Sample data has finished importing")

	return nil
}

// InsertSampleHits will create a couple new hits for the sample services
func InsertSampleHits() error {
	since := time.Now().Add((-24 * 7) * time.Hour).UTC()
	for i := int64(1); i <= 5; i++ {
		service := SelectService(i)
		utils.Log(1, fmt.Sprintf("Adding %v sample hit records to service %v", 360, service.Name))
		createdAt := since
		alpha := float64(1.05)

		for hi := int64(1); hi <= 168; hi++ {
			alpha += 0.01
			rand.Seed(time.Now().UnixNano())
			latency := rand.Float64() * alpha
			createdAt = createdAt.Add(1 * time.Hour)
			hit := &types.Hit{
				Service:   service.Id,
				CreatedAt: createdAt,
				Latency:   latency,
			}
			service.CreateHit(hit)
		}
	}
	return nil
}

func sampleGraphData(i float64, upward *bool) float64 {
	alpha := 0.0003
	if *upward {
		i += 0.3
		if i >= 6500 {
			i += 0.1
			*upward = false
		} else if i >= 4500 {
			i += 3
		} else if i >= 2300 {
			i += 1
		} else if i >= 1150 {
			i += 2
		} else if i >= 500 {
			i += 1
		}
	} else {
		i -= 0.3
		if i <= 6500 {
			i -= 0.1
		} else if i <= 4500 {
			i -= 3
		} else if i <= 2300 {
			i -= 1
		} else if i <= 1150 {
			i -= 2
		} else if i <= 500 {
			i -= 1
		}
	}
	return i * alpha
}

func insertSampleCore() error {
	core := &types.Core{
		Name:        "Statup Sample Data",
		Description: "This data is only used to testing",
		ApiKey:      "sample",
		ApiSecret:   "samplesecret",
		Domain:      "http://localhost:8080",
		Version:     "test",
		CreatedAt:   time.Now(),
		UseCdn:      false,
	}
	query := coreDB().Create(core)
	return query.Error
}

func insertSampleUsers() {
	u2 := ReturnUser(&types.User{
		Username: "testadmin",
		Password: "password123",
		Email:    "info@betatude.com",
		Admin:    true,
	})

	u3 := ReturnUser(&types.User{
		Username: "testadmin2",
		Password: "password123",
		Email:    "info@adminhere.com",
		Admin:    true,
	})

	u2.Create()
	u3.Create()
}

// InsertSampleData will create the example/dummy services for a brand new Statup installation
func InsertLargeSampleData() error {
	insertSampleCore()
	InsertSampleData()
	insertSampleUsers()
	s6 := ReturnService(&types.Service{
		Name:           "JSON Lint",
		Domain:         "https://jsonlint.com",
		ExpectedStatus: 200,
		Interval:       15,
		Type:           "http",
		Method:         "GET",
		Timeout:        10,
		Order:          6,
	})

	s7 := ReturnService(&types.Service{
		Name:           "Demo Page",
		Domain:         "https://demo.statup.io",
		ExpectedStatus: 200,
		Interval:       30,
		Type:           "http",
		Method:         "GET",
		Timeout:        15,
		Order:          7,
	})

	s8 := ReturnService(&types.Service{
		Name:           "Golang",
		Domain:         "https://golang.org",
		ExpectedStatus: 200,
		Interval:       15,
		Type:           "http",
		Method:         "GET",
		Timeout:        10,
		Order:          8,
	})

	s9 := ReturnService(&types.Service{
		Name:           "Santa Monica",
		Domain:         "https://www.santamonica.com",
		ExpectedStatus: 200,
		Interval:       15,
		Type:           "http",
		Method:         "GET",
		Timeout:        10,
		Order:          9,
	})

	s10 := ReturnService(&types.Service{
		Name:           "Oeschs Die Dritten",
		Domain:         "https://www.oeschs-die-dritten.ch/en/",
		ExpectedStatus: 200,
		Interval:       15,
		Type:           "http",
		Method:         "GET",
		Timeout:        10,
		Order:          10,
	})

	s11 := ReturnService(&types.Service{
		Name:           "XS Project - Bochka, Bass, Kolbaser",
		Domain:         "https://www.youtube.com/watch?v=VLW1ieY4Izw",
		ExpectedStatus: 200,
		Interval:       60,
		Type:           "http",
		Method:         "GET",
		Timeout:        20,
		Order:          11,
	})

	s12 := ReturnService(&types.Service{
		Name:           "Github",
		Domain:         "https://github.com/hunterlong",
		ExpectedStatus: 200,
		Interval:       60,
		Type:           "http",
		Method:         "GET",
		Timeout:        20,
		Order:          12,
	})

	s13 := ReturnService(&types.Service{
		Name:           "Failing URL",
		Domain:         "http://thisdomainisfakeanditsgoingtofail.com",
		ExpectedStatus: 200,
		Interval:       45,
		Type:           "http",
		Method:         "GET",
		Timeout:        10,
		Order:          13,
	})

	s14 := ReturnService(&types.Service{
		Name:           "Oesch's die Dritten - Die Jodelsprache",
		Domain:         "https://www.youtube.com/watch?v=k3GTxRt4iao",
		ExpectedStatus: 200,
		Interval:       60,
		Type:           "http",
		Method:         "GET",
		Timeout:        12,
		Order:          14,
	})

	s15 := ReturnService(&types.Service{
		Name:           "Gorm",
		Domain:         "http://gorm.io/",
		ExpectedStatus: 200,
		Interval:       30,
		Type:           "http",
		Method:         "GET",
		Timeout:        12,
		Order:          15,
	})

	s6.Create(false)
	s7.Create(false)
	s8.Create(false)
	s9.Create(false)
	s10.Create(false)
	s11.Create(false)
	s12.Create(false)
	s13.Create(false)
	s14.Create(false)
	s15.Create(false)

	var dayAgo = time.Now().Add(-24 * time.Hour).Add(-10 * time.Minute)

	insertHitRecords(dayAgo, 1450)

	insertFailureRecords(dayAgo, 730)

	return nil
}

func insertFailureRecords(since time.Time, amount int64) {
	for i := int64(14); i <= 15; i++ {
		service := SelectService(i)
		utils.Log(1, fmt.Sprintf("Adding %v failure records to service %v", amount, service.Name))
		createdAt := since

		for fi := int64(1); fi <= amount; fi++ {
			createdAt = createdAt.Add(2 * time.Minute)

			failure := &types.Failure{
				Service:   service.Id,
				Issue:     "testing right here",
				CreatedAt: createdAt,
			}

			service.CreateFailure(failure)
		}
	}
}

func insertHitRecords(since time.Time, amount int64) {
	for i := int64(1); i <= 15; i++ {
		service := SelectService(i)
		utils.Log(1, fmt.Sprintf("Adding %v hit records to service %v", amount, service.Name))
		createdAt := since

		for hi := int64(1); hi <= amount; hi++ {
			rand.Seed(time.Now().UnixNano())
			latency := rand.Float64()
			createdAt = createdAt.Add(1 * time.Minute)
			hit := &types.Hit{
				Service:   service.Id,
				CreatedAt: createdAt,
				Latency:   latency,
			}
			service.CreateHit(hit)
		}

	}

}