package ui

import (
	"fmt"
	"strings"

	"github.com/charmbracelet/lipgloss"

	"task/internal/config"
)

func (m Model) renderHeader() string {
	brand := m.styles.HeaderBrand.Render(config.CliName)
	project := m.styles.HeaderMeta.Render(fmt.Sprintf("project: %s", m.cfg.ActiveProject))
	board := m.styles.FilterHint.Render(fmt.Sprintf("list: %s", m.boardFilter.Label()))
	count := m.styles.HeaderMeta.Render(fmt.Sprintf("%d tickets", m.ticketCount()))

	parts := []string{brand, project, board, count}
	if label := m.timerHeaderLabel(); label != "" {
		parts = append(parts, m.styles.FilterHint.Render(label))
	}
	if m.filter != "" {
		parts = append(parts, m.styles.FilterHint.Render(fmt.Sprintf("filter: %q", m.filter)))
	}
	if m.status != "" {
		style := m.styles.StatusMsg
		if m.statusIsError {
			style = m.styles.ErrorMsg
		}
		parts = append(parts, style.Render(m.status))
	}

	line := strings.Join(parts, m.styles.HeaderMeta.Render("  │  "))
	return m.styles.Header.Width(m.width).Render(line)
}

func (m Model) renderBody(height int) string {
	if height < 1 {
		height = 1
	}

	switch m.mode {
	case ModeCreate:
		label := "New ticket:"
		if m.creatingProject {
			label = "New project:"
		}
		prompt := m.styles.InputPrompt.Render(label)
		content := prompt + "\n" + m.input.View()
		return lipgloss.NewStyle().Height(height).Width(m.width).Render(content)

	case ModeSearch:
		prompt := m.styles.InputPrompt.Render("Search:")
		content := prompt + "\n" + m.input.View()
		return lipgloss.NewStyle().Height(height).Width(m.width).Render(content)

	case ModeTimeManual:
		prompt := m.styles.InputPrompt.Render("Log time:")
		content := prompt + "\n" + m.input.View()
		return lipgloss.NewStyle().Height(height).Width(m.width).Render(content)

	case ModeTimeEdit:
		prompt := m.styles.InputPrompt.Render("Edit duration:")
		content := prompt + "\n" + m.input.View()
		return lipgloss.NewStyle().Height(height).Width(m.width).Render(content)

	case ModeTimeEntries:
		m.timeEntries.SetSize(m.width, height)
		return m.timeEntries.View()

	case ModeReport:
		m.report.SetSize(m.width, height)
		return m.report.View()

	case ModeReportGroup:
		menu := m.groupByMenu.View()
		return lipgloss.NewStyle().Height(height).Width(m.width).Render(menu)

	case ModeProjects, ModeMoveTicket:
		m.projectList.SetSize(m.width, height)
		return m.projectList.View()

	case ModeStatus:
		menu := m.statusMenu.View()
		return lipgloss.NewStyle().Height(height).Width(m.width).Render(menu)

	case ModeBoard:
		menu := m.boardMenu.View()
		return lipgloss.NewStyle().Height(height).Width(m.width).Render(menu)

	case ModeConfirmDelete:
		title := m.pendingDeleteTitle
		if title == "" {
			if m.pendingDeleteProject != "" {
				title = "this project"
			} else {
				title = "this ticket"
			}
		}
		var prompt string
		if m.pendingDeleteProject != "" {
			prompt = m.styles.ErrorMsg.Render(fmt.Sprintf("Delete %s?", title))
		} else {
			prompt = m.styles.ErrorMsg.Render(fmt.Sprintf("Delete %q?", title))
		}
		hint := m.styles.StatusMsg.Render("y/enter confirm · esc cancel")
		content := prompt + "\n" + hint
		return lipgloss.NewStyle().Height(height).Width(m.width).Render(content)

	default:
		m.tickets.SetSize(m.width, height)
		return m.tickets.View()
	}
}