Draft: feat login

plays/login.go

@@ -0,0 +1,141 @@
+package plays
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/charmbracelet/bubbles/textinput"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type Login struct {
+	*Base
+
+	focusIndex int
+	inputs     []textinput.Model
+}
+
+func NewLogin(base *Base) *Login {
+	m := Login{
+		Base: base,
+
+		focusIndex: 0,
+		inputs:     make([]textinput.Model, 2),
+	}
+
+	for i := range m.inputs {
+		t := textinput.New()
+		t.CharLimit = 32
+		t.Width = 20
+
+		switch i {
+		case 0:
+			t.Placeholder = "Username"
+			t.Focus()
+		case 1:
+			t.Placeholder = "Password"
+			t.EchoMode = textinput.EchoPassword
+			t.EchoCharacter = '•'
+		}
+
+		m.inputs[i] = t
+	}
+	return &m
+}
+
+func (m *Login) Init() tea.Cmd {
+	return tea.Batch(tea.ClearScreen, textinput.Blink)
+}
+
+func (m *Login) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "ctrl+l":
+			return m, tea.ClearScreen
+
+		case "ctrl+c", "q":
+			return m, tea.Interrupt
+
+		case "tab", "shift+tab", "enter", "up", "down":
+			s := msg.String()
+
+			if s == "enter" && m.focusIndex == len(m.inputs)-1 {
+				return m, tea.Quit
+			}
+
+			if s == "up" || s == "shift+tab" {
+				m.focusIndex--
+			} else {
+				m.focusIndex++
+			}
+
+			if m.focusIndex >= len(m.inputs) {
+				m.focusIndex = 0
+			} else if m.focusIndex < 0 {
+				m.focusIndex = len(m.inputs) - 1
+			}
+
+			cmds := make([]tea.Cmd, len(m.inputs))
+			for i := 0; i < len(m.inputs); i++ {
+				if i == m.focusIndex {
+					cmds[i] = m.inputs[i].Focus()
+					continue
+				}
+				m.inputs[i].Blur()
+			}
+
+			return m, tea.Batch(cmds...)
+		}
+	}
+
+	cmd := m.updateInputs(msg)
+	return m, cmd
+}
+
+func (m *Login) updateInputs(msg tea.Msg) tea.Cmd {
+	cmds := make([]tea.Cmd, len(m.inputs))
+
+	for i := range m.inputs {
+		m.inputs[i], cmds[i] = m.inputs[i].Update(msg)
+	}
+
+	return tea.Batch(cmds...)
+}
+
+func (m *Login) View() string {
+	var b strings.Builder
+
+	fmt.Fprintf(&b, "User login:\n")
+	for i := range m.inputs {
+		b.WriteString(m.inputs[i].View())
+		if i < len(m.inputs) {
+			b.WriteRune('\n')
+		}
+	}
+
+	return b.String()
+}
+
+func (m *Login) Next(queue *[]*tea.Program) error {
+	username := m.inputs[0].Value()
+	password := m.inputs[1].Value()
+	resp, _ := m.Base.client.R().
+		SetBasicAuth(username, password).
+		Get("/auth/login")
+
+	if resp.StatusCode() == http.StatusOK {
+		m.Base.client.
+			SetBasicAuth(username, password)
+		*queue = append(*queue,
+			tea.NewProgram(NewLobby(m.Base)))
+	} else {
+		*queue = append(*queue,
+			tea.NewProgram(NewRedirect("Login failed")))
+		*queue = append(*queue,
+			tea.NewProgram(NewLanding(m.Base)))
+	}
+
+	return nil
+}