//go:build integration

package integration_test

import (
	"context"
	"fmt"
	"net/http"
	"testing"
	"time"

	"github.com/google/uuid"
)

// Tier 2 Block G — per-event thresholds, allowlists, feedback.

type thresholdsResp struct {
	Medium   int `json:"medium"`
	High     int `json:"high"`
	Block    int `json:"block"`
	Defaults struct {
		Medium int `json:"medium"`
		High   int `json:"high"`
		Block  int `json:"block"`
	} `json:"defaults"`
}

// TestSecurityThresholdsRoundTrip confirms a fresh event has the default
// 30/60/85 thresholds, a PUT persists, and an invalid ordering is rejected
// at the API rather than reaching the DB.
func TestSecurityThresholdsRoundTrip(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping integration test in -short mode")
	}
	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
	t.Cleanup(cancel)

	srv, _, _, token := setupAuthedAPI(t, ctx)
	eventID := createEvent(t, srv.URL, token, "Thresholds", "thresholds-test")

	var got thresholdsResp
	getJSONAuthed(t, fmt.Sprintf("%s/events/%s/security/thresholds", srv.URL, eventID),
		token, http.StatusOK, &got)
	if got.Medium != 30 || got.High != 60 || got.Block != 85 {
		t.Fatalf("defaults: got %+v", got)
	}
	if got.Defaults.Medium != 30 {
		t.Errorf("defaults echo missing: %+v", got)
	}

	// Tighten the thresholds — a strict event blocks at 70 rather than 85.
	putJSON(t, fmt.Sprintf("%s/events/%s/security/thresholds", srv.URL, eventID), token,
		map[string]any{"medium": 20, "high": 50, "block": 70}, http.StatusOK, nil)

	getJSONAuthed(t, fmt.Sprintf("%s/events/%s/security/thresholds", srv.URL, eventID),
		token, http.StatusOK, &got)
	if got.Medium != 20 || got.High != 50 || got.Block != 70 {
		t.Errorf("after PUT: got %+v, want 20/50/70", got)
	}

	// Invalid ordering: medium > high — rejected.
	assertStatus(t, http.MethodPut,
		fmt.Sprintf("%s/events/%s/security/thresholds", srv.URL, eventID), token,
		map[string]any{"medium": 80, "high": 50, "block": 90}, http.StatusBadRequest)
}

// TestSecurityAllowlistCRUD covers add → list → remove + duplicate
// rejection + invalid CIDR rejection.
func TestSecurityAllowlistCRUD(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping integration test in -short mode")
	}
	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
	t.Cleanup(cancel)

	srv, _, _, token := setupAuthedAPI(t, ctx)
	eventID := createEvent(t, srv.URL, token, "Allowlist", "allowlist-test")

	// Add a CIDR + a single IP (which we auto-widen to /32).
	postJSONAuthed(t, fmt.Sprintf("%s/events/%s/security/allowlist", srv.URL, eventID),
		token, map[string]any{"cidr": "203.0.113.0/24", "label": "Office"},
		http.StatusCreated, nil)
	postJSONAuthed(t, fmt.Sprintf("%s/events/%s/security/allowlist", srv.URL, eventID),
		token, map[string]any{"cidr": "10.0.0.42", "label": "Family router"},
		http.StatusCreated, nil)

	// List.
	var list struct {
		Entries []struct {
			CIDR  string `json:"cidr"`
			Label string `json:"label"`
		} `json:"entries"`
	}
	getJSONAuthed(t, fmt.Sprintf("%s/events/%s/security/allowlist", srv.URL, eventID),
		token, http.StatusOK, &list)
	if len(list.Entries) != 2 {
		t.Fatalf("expected 2 entries, got %d", len(list.Entries))
	}
	foundOffice := false
	foundFamily := false
	for _, e := range list.Entries {
		if e.CIDR == "203.0.113.0/24" {
			foundOffice = true
		}
		if e.CIDR == "10.0.0.42/32" { // auto-widened
			foundFamily = true
		}
	}
	if !foundOffice || !foundFamily {
		t.Errorf("entries: %+v", list.Entries)
	}

	// Duplicate → 409.
	assertStatus(t, http.MethodPost,
		fmt.Sprintf("%s/events/%s/security/allowlist", srv.URL, eventID), token,
		map[string]any{"cidr": "203.0.113.0/24"}, http.StatusConflict)

	// Invalid CIDR → 400.
	assertStatus(t, http.MethodPost,
		fmt.Sprintf("%s/events/%s/security/allowlist", srv.URL, eventID), token,
		map[string]any{"cidr": "not-an-ip"}, http.StatusBadRequest)

	// Remove the office one.
	assertStatus(t, http.MethodDelete,
		fmt.Sprintf("%s/events/%s/security/allowlist?cidr=%s", srv.URL, eventID, "203.0.113.0%2F24"),
		token, nil, http.StatusNoContent)

	getJSONAuthed(t, fmt.Sprintf("%s/events/%s/security/allowlist", srv.URL, eventID),
		token, http.StatusOK, &list)
	if len(list.Entries) != 1 {
		t.Errorf("after delete: expected 1 entry, got %d", len(list.Entries))
	}
}

// TestSecurityFeedbackRecord exercises POST feedback + list. The access
// log id is forged via the DB so we don't need to drive a full RSVP flow
// — only the feedback path is under test here.
func TestSecurityFeedbackRecord(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping integration test in -short mode")
	}
	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
	t.Cleanup(cancel)

	srv, db, _, token := setupAuthedAPI(t, ctx)
	eventID := createEvent(t, srv.URL, token, "Feedback", "feedback-test")

	// Insert a guest + access log directly so we have an ID to feed back on.
	var guestID, accessLogID uuid.UUID
	must(t, db.Pool.QueryRow(ctx, `
        INSERT INTO guests (event_id, name) VALUES ($1, 'Test')
        RETURNING id
    `, eventID).Scan(&guestID), "insert guest")
	must(t, db.Pool.QueryRow(ctx, `
        INSERT INTO access_logs (guest_id) VALUES ($1) RETURNING id
    `, guestID).Scan(&accessLogID), "insert access_log")

	// Record a verdict.
	postJSONAuthed(t,
		fmt.Sprintf("%s/events/%s/access-logs/%s/feedback", srv.URL, eventID, accessLogID),
		token,
		map[string]any{"verdict": "legitimate", "note": "Aunty's actually fine"},
		http.StatusOK, nil)

	// Upsert: change verdict on second call.
	postJSONAuthed(t,
		fmt.Sprintf("%s/events/%s/access-logs/%s/feedback", srv.URL, eventID, accessLogID),
		token,
		map[string]any{"verdict": "suspicious"},
		http.StatusOK, nil)

	// List.
	var list struct {
		Feedback []struct {
			AccessLogID uuid.UUID `json:"access_log_id"`
			Verdict     string    `json:"verdict"`
		} `json:"feedback"`
	}
	getJSONAuthed(t, fmt.Sprintf("%s/events/%s/security/feedback", srv.URL, eventID),
		token, http.StatusOK, &list)
	if len(list.Feedback) != 1 {
		t.Fatalf("expected 1 feedback row after upsert, got %d", len(list.Feedback))
	}
	if list.Feedback[0].Verdict != "suspicious" {
		t.Errorf("verdict not upserted: %+v", list.Feedback)
	}

	// Cross-tenant: another event's editor can't mark this log.
	otherEventID := createEvent(t, srv.URL, token, "Other", "other-feedback")
	assertStatus(t, http.MethodPost,
		fmt.Sprintf("%s/events/%s/access-logs/%s/feedback", srv.URL, otherEventID, accessLogID),
		token,
		map[string]any{"verdict": "legitimate"},
		http.StatusNotFound)

	// Invalid verdict → 400.
	assertStatus(t, http.MethodPost,
		fmt.Sprintf("%s/events/%s/access-logs/%s/feedback", srv.URL, eventID, accessLogID),
		token,
		map[string]any{"verdict": "kinda-sus"},
		http.StatusBadRequest)
}

// TestSecurityAuthzMatrix confirms viewers can read but not write, and
// non-members can't even see the endpoints exist.
func TestSecurityAuthzMatrix(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping integration test in -short mode")
	}
	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
	t.Cleanup(cancel)

	srv, db, ownerID, ownerToken := setupAuthedAPI(t, ctx)
	eventID := createEvent(t, srv.URL, ownerToken, "Authz Sec", "authz-sec")

	viewer, viewerToken := makeAuthedUser(t, ctx, db.Pool)
	directlyInsertCollaborator(t, ctx, db.Pool, eventID, viewer, "viewer", uuid.UUID(ownerID))

	// Viewer can read.
	assertStatus(t, http.MethodGet,
		fmt.Sprintf("%s/events/%s/security/thresholds", srv.URL, eventID),
		viewerToken, nil, http.StatusOK)
	assertStatus(t, http.MethodGet,
		fmt.Sprintf("%s/events/%s/security/allowlist", srv.URL, eventID),
		viewerToken, nil, http.StatusOK)

	// Viewer can't write.
	assertStatus(t, http.MethodPut,
		fmt.Sprintf("%s/events/%s/security/thresholds", srv.URL, eventID),
		viewerToken, map[string]any{"medium": 25, "high": 55, "block": 80},
		http.StatusForbidden)
	assertStatus(t, http.MethodPost,
		fmt.Sprintf("%s/events/%s/security/allowlist", srv.URL, eventID),
		viewerToken, map[string]any{"cidr": "10.0.0.0/24"}, http.StatusForbidden)

	// Outsider: 404 everywhere.
	_, outsiderToken := makeAuthedUser(t, ctx, db.Pool)
	assertStatus(t, http.MethodGet,
		fmt.Sprintf("%s/events/%s/security/thresholds", srv.URL, eventID),
		outsiderToken, nil, http.StatusNotFound)
}