phase 0.3

internal/adminui/countries.go

@@ -0,0 +1,226 @@
+package adminui
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"skyrama-tui/internal/db"
+)
+
+// ── Messages ──────────────────────────────────────────────────────────────────
+
+type cntryLoadedMsg []db.AdminCountry
+type cntryDoneMsg struct{ err error }
+
+// ── Field indices ─────────────────────────────────────────────────────────────
+
+const (
+	cfName      = 0
+	cfContinent = 1
+	cfP1        = 2
+	cfP2        = 3
+	cfP3        = 4
+)
+
+var continentOptions = []string{
+	"void", "Africa", "Antarctica", "Asia",
+	"Europe", "North America", "Oceania", "South America",
+}
+
+// ── Model ─────────────────────────────────────────────────────────────────────
+
+type countriesTab struct {
+	client   *db.AdminClient
+	items    []db.AdminCountry
+	cursor   int
+	inForm   bool
+	isEdit   bool
+	editID   uint16
+	fields   []field
+	focusIdx int
+	status   string
+	isErr    bool
+	w, h     int
+}
+
+func newCountriesTab(client *db.AdminClient) *countriesTab {
+	return &countriesTab{client: client}
+}
+
+func (t *countriesTab) InForm() bool { return t.inForm }
+func (t *countriesTab) Init() tea.Cmd { return t.load() }
+
+func (t *countriesTab) load() tea.Cmd {
+	return func() tea.Msg {
+		items, err := t.client.ListCountries()
+		if err != nil {
+			return cntryDoneMsg{err}
+		}
+		return cntryLoadedMsg(items)
+	}
+}
+
+func (t *countriesTab) openForm() {
+	t.fields = []field{
+		newTextField("Name", "e.g. Turkey"),
+		newEnumField("Continent", continentOptions),
+		newTextField("Product 1 ID", "1"),
+		newTextField("Product 2 ID", "2"),
+		newTextField("Product 3 ID", "3"),
+	}
+	t.fields[cfName].input.Focus()
+	t.focusIdx = cfName
+	t.isEdit = false
+	t.inForm = true
+	t.status = ""
+}
+
+func (t *countriesTab) openEditForm(c db.AdminCountry) {
+	t.fields = []field{
+		prefill("Name", c.Name),
+		newEnumField("Continent", continentOptions),
+		prefill("Product 1 ID", strconv.Itoa(int(c.P1))),
+		prefill("Product 2 ID", strconv.Itoa(int(c.P2))),
+		prefill("Product 3 ID", strconv.Itoa(int(c.P3))),
+	}
+	setEnumSel(&t.fields[cfContinent], c.Continent)
+	t.fields[cfName].input.Focus()
+	t.focusIdx = cfName
+	t.isEdit = true
+	t.editID = c.ID
+	t.inForm = true
+	t.status = ""
+}
+
+func (t *countriesTab) submit() tea.Cmd {
+	name := strings.TrimSpace(t.fields[cfName].value())
+	continent := t.fields[cfContinent].value()
+	p1s := strings.TrimSpace(t.fields[cfP1].value())
+	p2s := strings.TrimSpace(t.fields[cfP2].value())
+	p3s := strings.TrimSpace(t.fields[cfP3].value())
+
+	if name == "" {
+		t.status = "name is required"
+		t.isErr = true
+		return nil
+	}
+	p1, e1 := strconv.ParseUint(p1s, 10, 16)
+	p2, e2 := strconv.ParseUint(p2s, 10, 16)
+	p3, e3 := strconv.ParseUint(p3s, 10, 16)
+	if e1 != nil || e2 != nil || e3 != nil {
+		t.status = "product IDs must be valid numbers"
+		t.isErr = true
+		return nil
+	}
+	if t.isEdit {
+		id := t.editID
+		return func() tea.Msg {
+			return cntryDoneMsg{t.client.UpdateCountry(id, name, continent, uint16(p1), uint16(p2), uint16(p3))}
+		}
+	}
+	return func() tea.Msg {
+		return cntryDoneMsg{t.client.AddCountry(name, continent, uint16(p1), uint16(p2), uint16(p3))}
+	}
+}
+
+func (t *countriesTab) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch m := msg.(type) {
+	case tea.WindowSizeMsg:
+		t.w, t.h = m.Width, m.Height
+		return t, nil
+
+	case cntryLoadedMsg:
+		t.items = []db.AdminCountry(m)
+		if t.cursor >= len(t.items) && t.cursor > 0 {
+			t.cursor = len(t.items) - 1
+		}
+		return t, nil
+
+	case cntryDoneMsg:
+		if m.err != nil {
+			t.status = m.err.Error()
+			t.isErr = true
+			return t, nil
+		}
+		t.inForm = false
+		t.status = "saved"
+		t.isErr = false
+		return t, t.load()
+
+	case tea.KeyMsg:
+		if t.inForm {
+			switch m.String() {
+			case "esc":
+				t.inForm = false
+				t.status = ""
+			case "ctrl+s":
+				return t, t.submit()
+			default:
+				var cmd tea.Cmd
+				t.focusIdx, cmd = handleFormKey(t.fields, t.focusIdx, m)
+				return t, cmd
+			}
+			return t, nil
+		}
+		switch m.String() {
+		case "q":
+			return t, tea.Quit
+		case "j", "down":
+			if t.cursor < len(t.items)-1 {
+				t.cursor++
+			}
+		case "k", "up":
+			if t.cursor > 0 {
+				t.cursor--
+			}
+		case "a":
+			t.openForm()
+		case "e":
+			if len(t.items) > 0 {
+				t.openEditForm(t.items[t.cursor])
+			}
+		case "r":
+			return t, t.load()
+		}
+	}
+	return t, nil
+}
+
+func (t *countriesTab) View() string {
+	var sb strings.Builder
+	sb.WriteString(hdrSt.Render("  Countries") + "\n\n")
+
+	if t.inForm {
+		formTitle := "Add Country"
+		if t.isEdit {
+			formTitle = fmt.Sprintf("Edit Country #%d", t.editID)
+		}
+		sb.WriteString(titleSt.Render("  "+formTitle) + "\n\n")
+		sb.WriteString(renderForm(t.fields, t.focusIdx))
+		sb.WriteString("\n  " + renderStatus(t.status, t.isErr))
+		sb.WriteString("\n\n  " + dimSt.Render(helpForm))
+		return sb.String()
+	}
+
+	header := fmt.Sprintf("  %-5s  %-20s  %-14s  %s", "ID", "Name", "Continent", "Products (P1/P2/P3)")
+	sb.WriteString(dimSt.Render(header) + "\n")
+	sb.WriteString(dimSt.Render("  " + strings.Repeat("─", 60)) + "\n")
+
+	if len(t.items) == 0 {
+		sb.WriteString(dimSt.Render("  (no countries)") + "\n")
+	}
+	for i, c := range t.items {
+		line := fmt.Sprintf("  %-5d  %-20s  %-14s  %d / %d / %d",
+			c.ID, c.Name, c.Continent, c.P1, c.P2, c.P3)
+		if i == t.cursor {
+			sb.WriteString(cursorSt.Render("▸") + activeTS.Render(line[1:]) + "\n")
+		} else {
+			sb.WriteString(line + "\n")
+		}
+	}
+	sb.WriteString("\n  " + renderStatus(t.status, t.isErr))
+	sb.WriteString("\n\n  " + dimSt.Render("a:add  e:edit  j/k:nav  r:reload  q:quit"))
+	return sb.String()
+}