package main

import (
	"net/http"
	"fmt"
	"math/rand"
	"strconv"
	"time"
	"github.com/labstack/echo/v4"
)


type Stats struct {
    Label string `json:"Label"`
    Value uint64 `json:"Value"`
}

type TableComponent[T any] struct {
    Id   int `json:"id"`
    Data []T `json:"Data"`
}

type GraphComponent struct {
	Id int `json:"id"`
	Graph string `json:graph,omitempty"` 
	Title string `json:title,omitempty"`
	Stats []Stats `json:"stats,omitempty"`
}



// Create the first list of stats
var statsList1 = []Stats{
	{Label: "Sales", Value: uint64(rand.Intn(100))},
	{Label: "Profit", Value: uint64(rand.Intn(100))},
	{Label: "Expenses", Value: uint64(rand.Intn(100))},
	{Label: "Revenue", Value: uint64(rand.Intn(100))},
}

var statsList2 = []Stats{
	{Label: "Active Users", Value: uint64(rand.Intn(1000))},
	{Label: "New Users", Value: uint64(rand.Intn(100))},
	{Label: "Page Views", Value: uint64(rand.Intn(10000))},
	{Label: "Time Spent", Value: uint64(rand.Intn(100))},
}

var statsList3 = []Stats{
	{Label: "Tickets Solved", Value: uint64(rand.Intn(100))},
	{Label: "Open Tickets", Value: uint64(rand.Intn(100))},
	{Label: "Response Time", Value: uint64(rand.Intn(10))},
	{Label: "Customer Satisfaction", Value: uint64(rand.Intn(100))},
}

var statsList4 = []Stats{
	{Label: "Temperature", Value: uint64(rand.Intn(100))},
	{Label: "Humidity", Value: uint64(rand.Intn(100))},
	{Label: "Pressure", Value: uint64(rand.Intn(100))},
	{Label: "Wind Speed", Value: uint64(rand.Intn(100))},
}
	

func getSchema(c echo.Context) error {

	var Tablecomponent []TableComponent[string]

	Graphcomponents := []GraphComponent{
		{Id: 1, Graph: "donut", Stats: statsList1, Title: "Sales"},
		{Id: 2, Graph: "radial-bar", Stats: statsList2, Title: "Traffic"},
		{Id: 3, Graph: "pie", Stats: statsList3, Title: "Tickets"},
		{Id: 4, Graph: "bar", Stats: statsList4, Title: "Weather"},

	}

	response := map[string]interface{}{
		"tables": Tablecomponent,
		"graphs": Graphcomponents,
	}

	return c.JSON(http.StatusOK, response)

}

func updateGraphComponent(c echo.Context) error {

	component := c.Param("Id")

	var newStatsList1 = []Stats{
		{Label: "Sales", Value: uint64(rand.Intn(100))},
		{Label: "Profit", Value: uint64(rand.Intn(100))},
		{Label: "Expenses", Value: uint64(rand.Intn(100))},
		{Label: "Revenue", Value: uint64(rand.Intn(100))},
	}
	
	var newStatsList2 = []Stats{
		{Label: "Active Users", Value: uint64(rand.Intn(1000))},
		{Label: "New Users", Value: uint64(rand.Intn(100))},
		{Label: "Page Views", Value: uint64(rand.Intn(10000))},
		{Label: "Time Spent", Value: uint64(rand.Intn(100))},
	}
	
	var newStatsList3 = []Stats{
		{Label: "Tickets Solved", Value: uint64(rand.Intn(100))},
		{Label: "Open Tickets", Value: uint64(rand.Intn(100))},
		{Label: "Response Time", Value: uint64(rand.Intn(10))},
		{Label: "Customer Satisfaction", Value: uint64(rand.Intn(100))},
	}
	
	var newStatsList4 = []Stats{
		{Label: "Temperature", Value: uint64(rand.Intn(100))},
		{Label: "Humidity", Value: uint64(rand.Intn(100))},
		{Label: "Pressure", Value: uint64(rand.Intn(100))},
		{Label: "Wind Speed", Value: uint64(rand.Intn(100))},
	}


	Graphcomponents := []GraphComponent{
		{Id: 1, Graph: "donut", Stats: newStatsList1, Title: "Sales"},
		{Id: 2, Graph: "radial-bar", Stats: newStatsList2, Title: "Traffic"},
		{Id: 3, Graph: "pie", Stats: newStatsList3, Title: "Tickets"},
		{Id: 4, Graph: "bar", Stats: newStatsList4, Title: "Weather"},

	}

	componentMap := make(map[int]GraphComponent)
	for _, component := range Graphcomponents {
    componentMap[component.Id] = component
	}

	targetComponent, err := strconv.Atoi(component)
	if err != nil {
	fmt.Println("Error converting string to int:", err);
    } 

	return c.JSON(http.StatusOK, componentMap[targetComponent])	
}



func main() {
	// Seed the random number generator
	rand.Seed(time.Now().UnixNano())
	e := echo.New()
    e.GET("/schema", getSchema)
	e.GET("/component/:Id", updateGraphComponent)
    e.Logger.Fatal(e.Start(":8080"))

}