package integration_test

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

	"github.com/google/uuid"
	"golang.org/x/crypto/bcrypt"
)

func TestQualityFeedback(t *testing.T) {
	r, pool := setupAPIPool(t)
	ctx := context.Background()
	tok := adminLogin(t, r, "admin", "change-me")

	_, code := doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/ask/feedback", nil, "")
	if code != http.StatusUnauthorized {
		t.Fatalf("expected 401, got %d", code)
	}

	limitedRoleID := uuid.New()
	_, err := pool.Exec(ctx, `
		INSERT INTO admin_roles(id, name, system) VALUES ($1,$2,false)`,
		limitedRoleID, "qf_lim_"+limitedRoleID.String()[:8])
	if err != nil {
		t.Fatal(err)
	}
	_, err = pool.Exec(ctx, `
		INSERT INTO admin_role_permissions(role_id, code) VALUES ($1,'admin.ask.read')`, limitedRoleID)
	if err != nil {
		t.Fatal(err)
	}
	hash, err := bcrypt.GenerateFromPassword([]byte("limited-pass"), bcrypt.DefaultCost)
	if err != nil {
		t.Fatal(err)
	}
	limUser := fmt.Sprintf("qflim_%d", time.Now().UnixNano())
	_, err = pool.Exec(ctx, `
		INSERT INTO admin_accounts(username, password_hash, role_id) VALUES ($1,$2,$3)`,
		limUser, string(hash), limitedRoleID)
	if err != nil {
		t.Fatal(err)
	}
	t.Cleanup(func() {
		_, _ = pool.Exec(ctx, `DELETE FROM admin_accounts WHERE username=$1`, limUser)
		_, _ = pool.Exec(ctx, `DELETE FROM admin_roles WHERE id=$1`, limitedRoleID)
	})
	limTok := adminLogin(t, r, limUser, "limited-pass")

	key := mustRegister(t, r)
	env, key := doJSON(t, r, http.MethodPost, "/api/v1/profiles", map[string]any{
		"relation": "self", "birth_date": "1993-03-03", "display_name": "评",
	}, key)
	profileID := decodeData[map[string]any](t, env.Data)["id"].(string)
	env, key = doJSON(t, r, http.MethodPost, "/api/v1/ask/threads", map[string]any{
		"profile_id": profileID, "scene": "self",
	}, key)
	threadID := decodeData[map[string]any](t, env.Data)["id"].(string)
	_, key = doJSON(t, r, http.MethodPost, "/api/v1/ask/threads/"+threadID+"/messages", map[string]any{
		"content": "打分测试",
	}, key)

	_, code = doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/ask/threads/"+threadID+"/feedback",
		map[string]any{"rating": 4, "tag": "helpful"}, limTok)
	if code != http.StatusForbidden {
		t.Fatalf("expected 403 without feedback.write, got %d", code)
	}

	_, code = doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/ask/threads/"+threadID+"/feedback",
		map[string]any{"rating": 9}, tok)
	if code != http.StatusBadRequest {
		t.Fatalf("expected 400 bad rating, got %d", code)
	}

	env, code = doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/ask/threads/"+threadID+"/feedback",
		map[string]any{"rating": 5, "tag": "helpful", "note": "ops ok"}, tok)
	if code != 200 {
		t.Fatalf("admin feedback http=%d msg=%s", code, env.Message)
	}

	start := time.Now()
	env, code = doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/ask/feedback", nil, tok)
	if code != 200 || time.Since(start) > 500*time.Millisecond {
		t.Fatalf("list http=%d dur=%v", code, time.Since(start))
	}
	var list struct {
		Items []struct {
			ThreadID string `json:"thread_id"`
			Source   string `json:"source"`
			Rating   int    `json:"rating"`
		} `json:"items"`
	}
	_ = json.Unmarshal(env.Data, &list)
	found := false
	for _, it := range list.Items {
		if it.ThreadID == threadID && it.Source == "admin" && it.Rating == 5 {
			found = true
			break
		}
	}
	if !found {
		t.Fatalf("admin feedback missing: %#v", list.Items)
	}

	env, _, httpCode := doJSONExpect(t, r, http.MethodPost, "/api/v1/ask/threads/"+threadID+"/feedback",
		map[string]any{"rating": 3, "tag": "other"}, key, 0)
	if httpCode != 200 {
		t.Fatalf("user feedback http=%d body=%s", httpCode, env.Data)
	}

	env, code = doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/audit-logs", nil, tok)
	if code != 200 {
		t.Fatalf("audit %d", code)
	}
	var audit struct {
		Items []struct {
			Action string `json:"action"`
		} `json:"items"`
	}
	_ = json.Unmarshal(env.Data, &audit)
	okAudit := false
	for _, it := range audit.Items {
		if it.Action == "ask.feedback.create" {
			okAudit = true
			break
		}
	}
	if !okAudit {
		t.Fatal("missing ask.feedback.create audit")
	}

	// cross-thread message_id must be rejected
	env, key = doJSON(t, r, http.MethodPost, "/api/v1/ask/threads", map[string]any{
		"profile_id": profileID, "scene": "self",
	}, key)
	otherThread := decodeData[map[string]any](t, env.Data)["id"].(string)
	env, key = doJSON(t, r, http.MethodPost, "/api/v1/ask/threads/"+otherThread+"/messages", map[string]any{
		"content": "另一线程",
	}, key)
	// fetch a message id from other thread via admin transcript
	env, code = doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/ask/threads/"+otherThread+"/messages", nil, tok)
	if code != 200 {
		t.Fatalf("other transcript http=%d", code)
	}
	var otherDetail struct {
		Messages []struct {
			ID string `json:"id"`
		} `json:"messages"`
	}
	_ = json.Unmarshal(env.Data, &otherDetail)
	if len(otherDetail.Messages) == 0 {
		t.Fatal("expected messages on other thread")
	}
	foreignMsg := otherDetail.Messages[0].ID
	_, code = doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/ask/threads/"+threadID+"/feedback",
		map[string]any{"rating": 2, "tag": "other", "message_id": foreignMsg}, tok)
	if code != http.StatusBadRequest {
		t.Fatalf("expected 400 for foreign message_id, got %d", code)
	}
	_ = key
}