package main

import (
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestGetSettings(t *testing.T) {
	app := testApp(t)
	admin := testAdminUser(t, app)
	token := testToken(t, app, admin)
	mux := testMux(app)

	req := testAuthRequest("GET", "/api/settings", nil, token)
	w := httptest.NewRecorder()
	mux.ServeHTTP(w, req)

	if w.Code != http.StatusOK {
		t.Fatalf("status = %d", w.Code)
	}
	result := parseJSON(t, w)
	if result["smtp_host"] == nil {
		t.Error("missing smtp_host key")
	}
}

func TestUpdateSettings(t *testing.T) {
	app := testApp(t)
	admin := testAdminUser(t, app)
	token := testToken(t, app, admin)
	mux := testMux(app)

	req := testAuthRequest("PUT", "/api/settings", map[string]any{
		"smtp_host":     "smtp.example.com",
		"smtp_port":     587,
		"smtp_password": "secret",
		"base_url":      "https://turnpike.example.com",
	}, token)
	w := httptest.NewRecorder()
	mux.ServeHTTP(w, req)

	if w.Code != http.StatusOK {
		t.Fatalf("status = %d\nbody: %s", w.Code, w.Body.String())
	}
	result := parseJSON(t, w)
	if result["smtp_host"] != "smtp.example.com" {
		t.Errorf("smtp_host = %v", result["smtp_host"])
	}
	if result["smtp_password"] != "***" {
		t.Errorf("smtp_password = %v, want '***'", result["smtp_password"])
	}
	if result["base_url"] != "https://turnpike.example.com" {
		t.Errorf("base_url = %v", result["base_url"])
	}
}

func TestResetAttendees(t *testing.T) {
	app := testApp(t)
	admin := testAdminUser(t, app)
	token := testToken(t, app, admin)
	mux := testMux(app)

	app.createAttendee(Attendee{Name: "Titania", Email: "titania@example.com"})
	app.createAttendee(Attendee{Name: "Oberon", Email: "oberon@example.com"})

	w := httptest.NewRecorder()
	mux.ServeHTTP(w, testAuthRequest("POST", "/api/settings/reset-attendees", nil, token))

	if w.Code != 200 {
		t.Fatalf("status = %d: %s", w.Code, w.Body.String())
	}
	result := parseJSON(t, w)
	if result["deleted"] != float64(2) {
		t.Fatalf("deleted = %v, want 2", result["deleted"])
	}

	attendees, _ := app.listAttendees("", "", "")
	if len(attendees) != 0 {
		t.Fatalf("attendees remaining = %d, want 0", len(attendees))
	}
}

func TestResetAttendeesRequiresAdmin(t *testing.T) {
	app := testApp(t)
	gate := testUserWithRole(t, app, "gate1", "gate", []int{})
	token := testToken(t, app, gate)
	mux := testMux(app)

	w := httptest.NewRecorder()
	mux.ServeHTTP(w, testAuthRequest("POST", "/api/settings/reset-attendees", nil, token))

	if w.Code != 403 {
		t.Fatalf("status = %d, want 403", w.Code)
	}
}

func TestResetDepartmentsCascadesShifts(t *testing.T) {
	app := testApp(t)
	admin := testAdminUser(t, app)
	token := testToken(t, app, admin)
	mux := testMux(app)

	dept, _ := app.createDepartment(Department{Name: "Rangers"})
	app.createShift(Shift{DepartmentID: dept.ID, Day: "2026-03-01", StartTime: "09:00", EndTime: "12:00", Capacity: 5})

	shifts, _ := app.listShifts(nil, "", "")
	if len(shifts) != 1 {
		t.Fatalf("shifts before reset = %d, want 1", len(shifts))
	}

	w := httptest.NewRecorder()
	mux.ServeHTTP(w, testAuthRequest("POST", "/api/settings/reset-departments", nil, token))

	if w.Code != 200 {
		t.Fatalf("status = %d: %s", w.Code, w.Body.String())
	}

	depts, _ := app.listDepartments("")
	if len(depts) != 0 {
		t.Fatalf("departments remaining = %d, want 0", len(depts))
	}

	shifts, _ = app.listShifts(nil, "", "")
	if len(shifts) != 0 {
		t.Fatalf("shifts should cascade-delete, remaining = %d", len(shifts))
	}
}

func TestSettingsNonAdminRejected(t *testing.T) {
	app := testApp(t)
	gate := testUserWithRole(t, app, "gateuser", "gate", []int{})
	token := testToken(t, app, gate)
	mux := testMux(app)

	req := testAuthRequest("GET", "/api/settings", nil, token)
	w := httptest.NewRecorder()
	mux.ServeHTTP(w, req)

	if w.Code != http.StatusForbidden {
		t.Errorf("status = %d, want 403", w.Code)
	}
}