package tui

import (
	"fmt"

	"github.com/charmbracelet/lipgloss"
)

func renderStatusBar(m model, width int) string {
	left := countText(m)
	right := contextHints(m)

	leftRendered := statusStyle.Render(left)
	rightRendered := helpStyle.Render(right)

	gap := width - lipgloss.Width(leftRendered) - lipgloss.Width(rightRendered)
	if gap < 0 {
		gap = 0
	}

	pad := lipgloss.NewStyle().Width(gap).Render("")
	return leftRendered + pad + rightRendered
}

func countText(m model) string {
	var total int
	if m.mode == modeCards {
		total = len(m.cards.filtered)
	} else {
		total = len(m.list.displayEntities())
	}
	if m.filterTag != "" {
		return fmt.Sprintf("%d entities #%s", total, m.filterTag)
	}
	return fmt.Sprintf("%d entities", total)
}

func contextHints(m model) string {
	switch m.state {
	case stateDetail:
		return "p:promote D:demote c:copy e:edit !:pin esc:back"
	case stateInput:
		return "enter:submit esc:cancel"
	case stateTagFilter:
		return "j/k:nav enter:select esc:cancel"
	case stateConfirm:
		return "y:confirm n:cancel"
	case statePromote:
		return "j/k:nav enter:select esc:cancel"
	case stateAbsorb:
		return "j/k:nav enter:absorb esc:cancel"
	default:
		if m.mode == modeCards {
			return "1:stream 2:cards s:sort tab:intent a:add ?:help q:quit"
		}
		return "1:stream 2:cards a:add/?search m:absorb d:del #:filter ?:help q:quit"
	}
}