package html_components

import (
	"fmt"
	. "github.com/labstack/echo/v4"
	"time"
)

const tablePrototypePath = "/table-prototype"

type Profession string

const (
	Developer Profession = "Developer"
	Designer  Profession = "Designer"
)

type PersonStruct struct {
	Id          int
	Name        string
	Age         int
	Profession  Profession
	MemberSince time.Time
}

func AddTablePrototype(e *Echo) {
	items := getPrototypeStructs()
	e.GET(tablePrototypePath, func(c Context) error {
		table := Table{
			Headers:   []string{"Name", "Age", "Profession", "Member Since"},
			Rows:      prototypeStructsToTableRows(items),
			EntityUrl: tablePrototypePath,
		}
		return RenderGoHtmlPage(c, "table-prototype", table)
	})
	e.GET(createTablePrototypePath("/create"), func(c Context) error {
		inputs := []EditItemModalInputs{
			{Label: "Name", Value: "", Name: "name", Type: InputTypeText},
			{Label: "Age", Value: "", Name: "age", Type: InputTypeInt},
			{Label: "Profession", Value: "", Name: "profession", Type: InputTypeEnum, Options: []SelectInputOption{
				{Label: "Developer", Value: "Developer", Selected: false},
				{Label: "Designer", Value: "Designer", Selected: false},
			},
			},
			{Label: "Member Since", Value: "", Name: "memberSince", Type: InputTypeDateTime},
		}
		modal := EditItemModal{
			Id:                "",
			Title:             "Create person",
			Url:               tablePrototypePath,
			IsCreate:          true,
			SubmitButtonLabel: "Create",
			Inputs:            inputs,
		}
		return RenderGoHtmlComponent(c, "editItemModal", modal)
	})
	e.POST(tablePrototypePath, func(c Context) error {
		name := c.FormValue("name")
		age := c.FormValue("age")
		profession := c.FormValue("profession")
		memberSince := c.FormValue("memberSince")
		item := PersonStruct{
			Id:          len(items) + 1,
			Name:        name,
			Age:         ParseIntWithDefault(age, 0),
			Profession:  Profession(profession),
			MemberSince: ParseDateTime(memberSince),
		}
		items = append(items, item)
		return returnRenderTable(c, items)
	})
	e.GET(createTablePrototypePath("/:id"), func(c Context) error {
		id := ParseIntWithDefault(c.Param("id"), 1)
		row := items[id-1]
		inputs := []EditItemModalInputs{
			{Label: "Name", Value: row.Name, Name: "name", Type: InputTypeText},
			{Label: "Age", Value: fmt.Sprint(row.Age), Name: "age", Type: InputTypeInt},
			{Label: "Profession", Value: "", Name: "profession", Type: InputTypeEnum, Options: []SelectInputOption{
				{Label: "Developer", Value: string(Developer), Selected: row.Profession == Developer},
				{Label: "Designer", Value: string(Designer), Selected: row.Profession == Designer},
			},
			},
			{Label: "Member Since", Value: formatDateRangeInputTimeStamp(row.MemberSince), Name: "memberSince", Type: InputTypeDateTime},
		}
		modal := EditItemModal{
			Id:                fmt.Sprint(id),
			Title:             "Update person",
			Url:               tablePrototypePath,
			IsCreate:          false,
			SubmitButtonLabel: "Update",
			Inputs:            inputs,
		}
		return RenderGoHtmlComponent(c, "editItemModal", modal)
	})
	e.PUT(createTablePrototypePath("/:id"), func(c Context) error {
		id := ParseIntWithDefault(c.Param("id"), 1)
		name := c.FormValue("name")
		age := c.FormValue("age")
		profession := c.FormValue("profession")
		row := items[id-1]
		row.Name = name
		row.Age = ParseIntWithDefault(age, 0)
		row.Profession = Profession(profession)
		row.MemberSince = ParseDateTime(c.FormValue("memberSince"))
		return RenderGoHtmlComponent(c, "tableRow", prototypeStructToRow(row))
	})
	e.DELETE(createTablePrototypePath("/:id"), func(c Context) error {
		id := ParseIntWithDefault(c.Param("id"), 1)
		items = append(items[:id-1], items[id:]...)
		return returnRenderTable(c, items)
	})
}

func ParseDateTime(since string) time.Time {
	t, err := time.Parse("2006-01-02T15:04", since)
	if err != nil {
		return time.Now()
	}
	return t
}

func returnRenderTable(c Context, items []PersonStruct) error {
	table := Table{
		Headers:   []string{"Name", "Age", "Profession", "Member Since"},
		Rows:      prototypeStructsToTableRows(items),
		EntityUrl: tablePrototypePath,
	}
	return RenderGoHtmlComponent(c, "table", table)
}

func getPrototypeStructs() []PersonStruct {
	return []PersonStruct{
		{Id: 1, Name: "John", Age: 25, Profession: Developer, MemberSince: time.Now()},
		{Id: 2, Name: "Jane", Age: 23, Profession: Designer, MemberSince: time.Now()},
		{Id: 3, Name: "Doe", Age: 30, Profession: Developer, MemberSince: time.Now()},
	}
}

func prototypeStructsToTableRows(items []PersonStruct) []TableRow {
	var rows []TableRow
	for _, item := range items {
		rows = append(rows, prototypeStructToRow(item))
	}
	return rows
}

func prototypeStructToRow(person PersonStruct) TableRow {
	return TableRow{
		Id: fmt.Sprint(person.Id),
		Columns: []TableColumn{
			TableColumn{Value: person.Name, Type: TableColumnTypeText},
			TableColumn{Value: fmt.Sprint(person.Age), Type: TableColumnTypeText},
			TableColumn{Value: string(person.Profession), Type: TableColumnTypeText},
			TableColumn{Value: dateDisplay(person.MemberSince), Type: TableColumnTypeText}},
		EntityUrl: tablePrototypePath,
	}
}

func createTablePrototypePath(path string) string {
	return tablePrototypePath + path
}

func formatDateRangeInputTimeStamp(time time.Time) string {
	return time.Format("2006-01-02T15:04")
}

func dateDisplay(time time.Time) string {
	return time.Format("2006-01-02 15:04:05")
}