package handlers

import (
	"strconv"
	"strings"
	"templ-tests/app/data"
	"templ-tests/app/templates"
	"templ-tests/app/types"

	"github.com/gin-gonic/gin"
)

var pcInteractive templates.PageContext = templates.PageContext{
	Title:      "Welcome to the demo - Interactive",
	ActivePage: "interactive",
}

func Interactive(c *gin.Context) {
	templates.Interactive(pcInteractive, data.CatBreeds).Render(c, c.Writer)
}

func InteractiveSwapContent(c *gin.Context) {
	contentIndexStr := c.Query("content")
	contentIndex, err := strconv.Atoi(contentIndexStr)
	if err != nil {
		contentIndex = 0
	}
	templates.InteractiveSwapContent(pcInteractive, contentIndex).Render(c, c.Writer)
}

func FilterCatBreeds(c *gin.Context) {
	breedQuery := strings.ToLower(c.Query("breed"))
	countryQuery := c.Query("country")

	var catBreeds []types.CatBreed = []types.CatBreed{}

	for _, cb := range data.CatBreeds {
		appendToList :=
			(len(breedQuery) > 0 &&
				strings.Contains(strings.ToLower(cb.Breed), breedQuery) ||
				len(breedQuery) == 0) &&
				((len(countryQuery) > 0 &&
					cb.Country == countryQuery) ||
					len(countryQuery) == 0)

		if appendToList {
			catBreeds = append(catBreeds, cb)
		}
	}

	templates.RenderCatBreedsTable(catBreeds).Render(c, c.Writer)
}

func ValidateForm(c *gin.Context) {
	content := templates.ValidateFormContent{
		Validated: true,
		NumValue:  c.PostForm("number-value"),
		StrValue:  c.PostForm("string-value"),
	}

	numValue, err := strconv.Atoi(content.NumValue)
	if err != nil {
		content.HasNumValueError = true
		content.NumValueError = "This is not valid number"
	}
	if !content.HasNumValueError {
		if numValue < 0 {
			content.HasNumValueError = true
			content.NumValueError = "Value is less than 0"
		}
		if numValue > 100 {
			content.HasNumValueError = true
			content.NumValueError = "Value is greater than 100"
		}
	}

	if len(content.StrValue) < 5 {
		content.HasStrValueError = true
		content.StrValueError = "String length is less than 5"
	}
	if len(content.StrValue) > 10 {
		content.HasStrValueError = true
		content.StrValueError = "String length is more than 10"
	}

	templates.RenderInteractiveForm(content).Render(c, c.Writer)
}