package tui

import (
	"fmt"
	"strings"

	"github.com/charmbracelet/bubbles/viewport"
	"github.com/charmbracelet/lipgloss"

	"git.unkin.net/unkin/forgebot/pkg/models"
)

type detailView struct {
	task     *models.Task
	viewport viewport.Model
	ready    bool
}

func newDetailView() detailView {
	return detailView{}
}

func (d *detailView) setTask(task *models.Task, width, height int) {
	d.task = task
	d.viewport = viewport.New(width, height-2)
	d.viewport.SetContent(d.renderContent(width))
	d.ready = true
}

func (d *detailView) renderContent(width int) string {
	t := d.task
	if t == nil {
		return ""
	}

	var b strings.Builder

	titleStyle := lipgloss.NewStyle().Bold(true).Foreground(statusColors[t.Status])
	b.WriteString(titleStyle.Render(fmt.Sprintf("Task: %s", t.ID)))
	b.WriteString("\n\n")

	row := func(label, value string) {
		b.WriteString(detailLabelStyle.Render(label))
		b.WriteString(detailValueStyle.Render(value))
		b.WriteString("\n")
	}

	row("Status:", string(t.Status))
	row("Command:", t.Command)
	row("Repository:", t.Repository)
	row("Ref:", t.Ref)
	row("Author:", t.Author)
	if t.PoolRef != "" {
		row("Pool:", t.PoolRef)
	}
	if t.IssueNumber > 0 {
		row("Issue:", fmt.Sprintf("#%d", t.IssueNumber))
	}
	if t.PRNumber > 0 {
		row("PR:", fmt.Sprintf("#%d", t.PRNumber))
	}
	if t.Skill != "" {
		row("Skill:", t.Skill)
	}
	if t.JobName != "" {
		row("Job:", t.JobName)
	}
	if t.ParentTaskID != "" {
		row("Parent:", t.ParentTaskID)
	}

	b.WriteString("\n")
	row("Created:", t.CreatedAt.Format("2006-01-02 15:04:05"))
	if t.StartedAt != nil {
		row("Started:", t.StartedAt.Format("2006-01-02 15:04:05"))
	}
	if t.CompletedAt != nil {
		row("Completed:", t.CompletedAt.Format("2006-01-02 15:04:05"))
	}

	if t.Body != "" {
		b.WriteString("\n")
		b.WriteString(lipgloss.NewStyle().Bold(true).Render("Body:"))
		b.WriteString("\n")
		b.WriteString(t.Body)
		b.WriteString("\n")
	}

	if t.Result != "" {
		b.WriteString("\n")
		b.WriteString(lipgloss.NewStyle().Bold(true).Render("Result:"))
		b.WriteString("\n")
		b.WriteString(t.Result)
		b.WriteString("\n")
	}

	if t.ErrorMessage != "" {
		b.WriteString("\n")
		b.WriteString(errStyle.Bold(true).Render("Error:"))
		b.WriteString("\n")
		b.WriteString(errStyle.Render(t.ErrorMessage))
		b.WriteString("\n")
	}

	return b.String()
}

func (d *detailView) view() string {
	if !d.ready {
		return ""
	}

	header := lipgloss.NewStyle().Bold(true).Render("Task Detail") +
		"  " + helpStyle.Render("esc=back  e=edit  j/k=scroll")

	return header + "\n" + d.viewport.View()
}