import { render, screen, fireEvent, waitFor } from "@testing-library/react";
import PostJobPage from "./page";
import { toast } from "sonner";
import { useRouter } from "next/navigation";

// Mock dependencies
jest.mock("@/lib/i18n", () => ({
    useTranslation: () => ({
        t: (key: string) => key,
        locale: "en",
        setLocale: jest.fn(),
    }),
    useI18n: () => ({
        t: (key: string) => key,
        locale: "en",
        setLocale: jest.fn(),
    }),
}));

jest.mock("next/navigation", () => ({
    useRouter: jest.fn(),
}));

jest.mock("sonner", () => ({
    toast: {
        error: jest.fn(),
        success: jest.fn(),
    },
}));

jest.mock("./translations", () => ({
    translations: {
        en: {
            title: "Post a Job",
            buttons: { next: "Next Step", publish: "Publish Job", publishing: "Publishing..." },
            company: {
                name: "Company Name",
                namePlaceholder: "My Company",
                email: "Email",
                password: "Password",
                confirmPassword: "Confirm Password",
                phone: "Phone",
            },
            job: {
                title: "Job Details",
                jobTitle: "Job Title",
                jobTitlePlaceholder: "e.g. Developer",
                description: "Job Description",
                location: "Location",
                salary: "Salary",
            },
            steps: { data: "Data", confirm: "Confirm" },
            cardTitle: { step1: "Step 1", step2: "Step 2" },
            cardDesc: { step1: "Desc 1", step2: "Desc 2" },
            common: { company: "Company", job: "Job", name: "Name", email: "Email", title: "Title" },
            options: {
                period: { hourly: "/hr" },
                contract: { permanent: "Permanent" },
                hours: { fullTime: "Full Time" },
                mode: { remote: "Remote" }
            },
            errors: {
                company_required: "Company required",
                password_mismatch: "Password mismatch",
                password_length: "Password length",
                job_required: "Job required",
                submit_failed: "Submit failed"
            },
            success: {
                job_created: "Job created"
            }
        },
    },
}));

// Mock RichTextEditor component
jest.mock("@/components/rich-text-editor", () => ({
    RichTextEditor: ({ value, onChange, placeholder }: any) => (
        <textarea
            placeholder={placeholder}
            value={value}
            onChange={(e) => onChange(e.target.value)}
            data-testid="rich-text-editor"
        />
    ),
}));

// Mock LocationPicker component
jest.mock("@/components/location-picker", () => ({
    LocationPicker: ({ value, onChange }: any) => (
        <input
            value={value}
            onChange={(e) => onChange(e.target.value)}
            placeholder="Location"
            data-testid="location-picker"
        />
    ),
}));

describe("PostJobPage", () => {
    const mockPush = jest.fn();

    beforeEach(() => {
        jest.clearAllMocks();
        (useRouter as jest.Mock).mockReturnValue({ push: mockPush });
        global.fetch = jest.fn();
        // Mock scroll methods not in test env
        window.scrollTo = jest.fn();
    });

    it("renders step 1 initially", () => {
        render(<PostJobPage />);
        expect(screen.getByText("Postar uma Vaga")).toBeInTheDocument();
        expect(screen.getByText("Step 1")).toBeInTheDocument();
        expect(screen.getByPlaceholderText("My Company")).toBeInTheDocument();
    });

    it("validates company fields before proceeding", () => {
        render(<PostJobPage />);

        // Try next without filling
        fireEvent.click(screen.getByText("Next Step"));
        expect(toast.error).toHaveBeenCalledWith("Preencha os dados obrigatórios da empresa");

        // Fill password mismatch
        fireEvent.change(screen.getByPlaceholderText("My Company"), { target: { value: "Test Co" } });
        fireEvent.change(screen.getByPlaceholderText("contato@empresa.com"), { target: { value: "test@co.com" } });

        const passwords = screen.getAllByPlaceholderText("••••••••");
        fireEvent.change(passwords[0], { target: { value: "12345678" } });
        fireEvent.change(passwords[1], { target: { value: "mismatch" } });

        fireEvent.click(screen.getByText("Next Step"));
        expect(toast.error).toHaveBeenCalledWith("As senhas não coincidem");
    });

    it("proceeds to step 2 when company info is valid", () => {
        render(<PostJobPage />);

        fireEvent.change(screen.getByPlaceholderText("My Company"), { target: { value: "Test Co" } });
        fireEvent.change(screen.getByPlaceholderText("contato@empresa.com"), { target: { value: "test@co.com" } });

        const passwords = screen.getAllByPlaceholderText("••••••••");
        fireEvent.change(passwords[0], { target: { value: "password123" } });
        fireEvent.change(passwords[1], { target: { value: "password123" } });

        // Need to fill job description as well now
        fireEvent.change(screen.getByPlaceholderText("e.g. Developer"), { target: { value: "Frontend Dev" } });
        const editors = screen.getAllByTestId("rich-text-editor");
        if (editors.length > 1) {
            fireEvent.change(editors[1], { target: { value: "Job Desc" } });
        } else {
            fireEvent.change(editors[0], { target: { value: "Job Desc" } });
        }

        fireEvent.click(screen.getByText("Next Step"));

        expect(screen.getByText("Step 2")).toBeInTheDocument();
    });

    it("submits the form successfully", async () => {
        (global.fetch as jest.Mock)
            .mockResolvedValueOnce({
                ok: true,
                json: async () => ({ token: "fake-token" }),
            }) // Register
            .mockResolvedValueOnce({
                ok: true,
                json: async () => ({ id: "job-123" }),
            }); // Create Job

        render(<PostJobPage />);

        // Step 1
        fireEvent.change(screen.getByPlaceholderText("My Company"), { target: { value: "Test Co" } });
        fireEvent.change(screen.getByPlaceholderText("contato@empresa.com"), { target: { value: "test@co.com" } });

        const passwords = screen.getAllByPlaceholderText("••••••••");
        fireEvent.change(passwords[0], { target: { value: "password123" } });
        fireEvent.change(passwords[1], { target: { value: "password123" } });

        // Fill Job Details (Step 1)
        fireEvent.change(screen.getByPlaceholderText("e.g. Developer"), { target: { value: "Frontend Dev" } });

        const editors = screen.getAllByTestId("rich-text-editor");
        if (editors.length > 1) {
            fireEvent.change(editors[1], { target: { value: "Job Desc" } });
        } else {
            fireEvent.change(editors[0], { target: { value: "Job Desc" } });
        }

        fireEvent.click(screen.getByText("Next Step"));

        // Check we are on Step 2
        expect(screen.getByText("Step 2")).toBeInTheDocument();

        // Submit
        fireEvent.click(screen.getByText("Publish Job"));

        await waitFor(() => {
            expect(global.fetch).toHaveBeenCalledTimes(2);
            expect(toast.success).toHaveBeenCalled();
            expect(mockPush).toHaveBeenCalledWith("/dashboard/jobs");
        });
    });
});