package ui

import (
	"strings"

	"github.com/charmbracelet/lipgloss"
)

func (m model) View() string {
	// Title
	title := titleStyle.Render(" ByteSock v1.0.0 ")

	// Status header content
	status := lipgloss.JoinHorizontal(lipgloss.Top,
		modeStyle.Render(" [OutMode: "+m.omode.ToString()+"]"),
		modeStyle.Render("[InMode: "+m.imode.ToString()+"]"),
		modeStyle.Render("[Type: "+m.conn.ToString()+"]"),
		rulesetStyle.Render("<Ruleset: None>"),
		addressStyle.Render(m.address),
	)

	// Padding
	spacer := m.width - lipgloss.Width(title) - lipgloss.Width(status) - 4
	if spacer < 0 {
		spacer = 0
	}
	usableWidth := m.width - 2
	if usableWidth < 0 {
		usableWidth = 0
	}

	// Status header layout
	headerLine := lipgloss.JoinHorizontal(lipgloss.Top,
		title,
		strings.Repeat("─", spacer),
		status,
	)
	headerBox := headerBoxStyle.Width(usableWidth).Render(headerLine)

	// Input field box
	inputBox := inputStyle.Width(usableWidth).Render("> " + m.input)

	// Calculate message log height
	logHeight := m.height - lipgloss.Height(headerBox) - lipgloss.Height(inputBox) - 2
	if logHeight < 3 {
		logHeight = 3
	}
	renderedHeight := logHeight - 2
	if renderedHeight < 0 {
		renderedHeight = 0
	}

	// Extract lines to render
	var renderedLines []string
	lineCount := 0

	for i := len(m.logs) - 1; i >= 0; i-- {
		localLines := strings.Split(m.logs[i], "\n")

		localLineCount := len(localLines)
		if lineCount+localLineCount > renderedHeight {
			startIndex := localLineCount - (renderedHeight - lineCount)
			localLines = localLines[startIndex:]
			renderedLines = append(localLines, renderedLines...)
			break
		}

		lineCount += localLineCount
		renderedLines = append(localLines, renderedLines...)
	}

	// Message log box
	logContent := strings.Join(renderedLines, "\n")
	logBox := boxStyle.
		Height(logHeight).
		Width(usableWidth).
		Render(logStyle.Render(logContent))

	// Final layout
	return lipgloss.JoinVertical(lipgloss.Left,
		headerBox,
		logBox,
		inputBox,
	)
}