package widget

import (
	"context"
	"fmt"
	"io"

	"github.com/Khan/genqlient/graphql"
	"github.com/charmbracelet/bubbles/list"
	tea "github.com/charmbracelet/bubbletea"

	"git.ohea.xyz/cursorius/tui/queries"
)

type runnerListItem struct {
	name string
	id   string
}

type runnerCreateListItem string

func (i runnerListItem) FilterValue() string       { return "" }
func (i runnerCreateListItem) FilterValue() string { return "" }

type runnerListItemDelegate struct{}

func (d runnerListItemDelegate) Height() int                               { return 1 }
func (d runnerListItemDelegate) Spacing() int                              { return 0 }
func (d runnerListItemDelegate) Update(msg tea.Msg, m *list.Model) tea.Cmd { return nil }
func (d runnerListItemDelegate) Render(w io.Writer, m list.Model, index int, listItem list.Item) {
	switch i := listItem.(type) {
	case runnerListItem:
		fn := itemStyle.Render
		faintFn := faintItemStyle.Render
		if index == m.Index() {
			fn = func(s string) string {
				return selectedItemStyle.Render("> " + s)
			}
			faintFn = faintSelectedItemStyle.Render
		}

		str := fn(i.name) + faintFn(" ("+i.id+")")
		fmt.Fprint(w, str)
	case runnerCreateListItem:
		fn := itemStyle.Render
		if index == m.Index() {
			fn = func(s string) string {
				return selectedItemStyle.Render("> " + s)
			}
		}

		str := string(i)
		fmt.Fprint(w, fn(str))
	}
}

func CreateRunnerWidget(client graphql.Client) (list.Model, error) {
	content := []list.Item{}

	getRunnerResp, err := queries.GetRunners(context.Background(), client)
	if err != nil {
		return list.Model{}, fmt.Errorf("Could not connect to server: %w", err)
	}

	if getRunnerResp.Runners == nil {

		for _, cloneCredential := range getRunnerResp.Runners {
			content = append(content, runnerCreateListItem(cloneCredential.Name))
		}
	}

	content = append(content, runnerCreateListItem("[Create Runner]"))

	model := list.New(content, runnerListItemDelegate{}, 50, 50)
	model.SetShowStatusBar(false)
	model.Title = "Runners"

	return model, nil
}