// models/odooService.js
import axios from "axios";
import { odooConfig } from "../config/odooConfig.js";
import { toOdooDatetimeFormat } from "../utils/date.js"; // Adjust path if needed

const JSON_RPC_URL = `${odooConfig.url}/jsonrpc`;

export const authenticate = async () => {
    const payload = {
        jsonrpc: "2.0",
        method: "call",
        params: {
            service: "common",
            method: "login",
            args: [odooConfig.db, odooConfig.email, odooConfig.apiKey],
        },
        id: 1,
    };

    const { data } = await axios.post(JSON_RPC_URL, payload);
    return data.result;
};

export const fetchEmployees = async () => {
    const uid = await authenticate();

    const payload = {
        jsonrpc: "2.0",
        method: "call",
        params: {
            service: "object",
            method: "execute_kw",
            args: [
                odooConfig.db,
                uid,
                odooConfig.apiKey,
                "hr.employee",
                "search_read",
                [],
                { fields: ["id", "name", "work_email"], limit: 10 },
            ],
        },
        id: 2,
    };

    const { data } = await axios.post(JSON_RPC_URL, payload);
    return data.result;
};

export const checkEmployeeExists = async (employee_id) => {
    const uid = await authenticate();

    const payload = {
        jsonrpc: "2.0",
        method: "call",
        params: {
            service: "object",
            method: "execute_kw",
            args: [
                odooConfig.db,
                uid,
                odooConfig.apiKey,
                "hr.employee",
                "search",
                [[["id", "=", employee_id]]],
                0,
            ],
        },
        id: 10,
    };

    const res = await axios.post(JSON_RPC_URL, payload);
    return res.data.result && res.data.result.length > 0;
};

/**
 * Toggles attendance check-in/check-out for an employee
 * @param {number} employee_id
 * @returns {object} status and attendance record info
 */
export const toggleEmployeeAttendance = async (employee_id) => {
    try {
        const uid = await authenticate();

        if (!uid) {
            throw new Error("Authentication failed: no user ID returned.");
        }

        // Optional: Verify employee exists
        const checkEmployeePayload = {
            jsonrpc: "2.0",
            method: "call",
            params: {
                service: "object",
                method: "execute_kw",
                args: [
                    odooConfig.db,
                    uid,
                    odooConfig.apiKey,
                    "hr.employee",
                    "search",
                    [[["id", "=", employee_id]]],
                ],
            },
            id: 0,
        };
        const empRes = await axios.post(JSON_RPC_URL, checkEmployeePayload);
        if (!empRes.data.result || empRes.data.result.length === 0) {
            throw new Error(`Employee with ID ${employee_id} not found.`);
        }

        // Step 1: Search for open attendance record (check_out = false)
        const searchPayload = {
            jsonrpc: "2.0",
            method: "call",
            params: {
                service: "object",
                method: "execute_kw",
                args: [
                    odooConfig.db,
                    uid,
                    odooConfig.apiKey,
                    "hr.attendance",
                    "search_read",
                    [
                        [
                            ["employee_id", "=", employee_id],
                            ["check_out", "=", false],
                        ],
                    ],
                    { fields: ["id", "check_in"], limit: 1 },
                ],
            },
            id: 3,
        };

        const searchRes = await axios.post(JSON_RPC_URL, searchPayload);
        const openRecords = searchRes.data.result;

        if (openRecords.length > 0) {
            // Step 2: Write check_out datetime
            const attendanceId = openRecords[0].id;
            const now = toOdooDatetimeFormat(new Date());

            const writePayload = {
                jsonrpc: "2.0",
                method: "call",
                params: {
                    service: "object",
                    method: "execute_kw",
                    args: [
                        odooConfig.db,
                        uid,
                        odooConfig.apiKey,
                        "hr.attendance",
                        "write",
                        [[attendanceId], { check_out: now }],
                    ],
                },
                id: 4,
            };

            const writeRes = await axios.post(JSON_RPC_URL, writePayload);

            if (!writeRes.data.result) {
                throw new Error("Failed to write check_out datetime.");
            }

            return {
                status: "Checked out",
                attendance_id: attendanceId,
                check_out: now,
                odoo_response: writeRes.data,
            };
        } else {
            // Step 3: Create new attendance record with check_in
            const now = toOdooDatetimeFormat(new Date());

            const createPayload = {
                jsonrpc: "2.0",
                method: "call",
                params: {
                    service: "object",
                    method: "execute_kw",
                    args: [
                        odooConfig.db,
                        uid,
                        odooConfig.apiKey,
                        "hr.attendance",
                        "create",
                        [{ employee_id, check_in: now }],
                    ],
                },
                id: 5,
            };

            const createRes = await axios.post(JSON_RPC_URL, createPayload);

            // DEBUG LOGGING - print entire response from Odoo
            console.log(
                "Create attendance response from Odoo:",
                JSON.stringify(createRes.data, null, 2)
            );

            if (createRes.data.error) {
                // Odoo returned an error object - log it and throw
                console.error(
                    "Odoo error during attendance creation:",
                    createRes.data.error
                );
                throw new Error(
                    createRes.data.error.message ||
                        "Unknown Odoo error during attendance creation"
                );
            }

            if (!createRes.data.result) {
                throw new Error(
                    "Failed to create attendance record - no result returned."
                );
            }

            const attendanceId = createRes.data.result;

            return {
                status: "Checked in",
                attendance_id: attendanceId,
                check_in: now,
                odoo_response: createRes.data,
            };
        }
    } catch (error) {
        console.error("toggleEmployeeAttendance error:", error);
        throw error;
    }
};