import $ from 'jquery'

let apiSpec = null
let currentUser = null

async function loadUserProfile() {
    try {
        const requestData = {
            jsonrpc: '2.0',
            method: 'Profile.get',
            params: {},
            id: Date.now()
        }

        const response = await fetch('http://localhost:8080/api', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            credentials: 'include',
            body: JSON.stringify(requestData)
        })

        const result = await response.json()
        if (result.result) {
            currentUser = result.result
            $('#username').text(currentUser.name || 'неизвестный пользователь')
        } else {
            currentUser = null
            $('#username').text('не авторизован')
        }
    } catch (error) {
        console.error('Ошибка загрузки профиля:', error)
        currentUser = null
        $('#username').text('не авторизован')
    }
}

async function loadApiSpec() {
    try {
        const response = await fetch('/api.spec.json', {
            method: 'GET',
            headers: {
                'Cache-Control': 'no-cache',
                'Accept': 'application/json'
            }
        })
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${response.statusText}`)
        }
        apiSpec = await response.json()
        console.log('API Spec loaded:', apiSpec)
        let moduleSpecs = {};
        apiSpec.modules.forEach(m => moduleSpecs[m.name] = m);
        return moduleSpecs
    } catch (error) {
        console.error('Ошибка загрузки API спецификации:', error)
        $('#result').text('Ошибка загрузки API спецификации: ' + error.message)
    }
}

function populateServices() {
    const $serviceSelect = $('#service')
    $serviceSelect.empty()
    $serviceSelect.append('<option value="">Выберите сервис</option>')

    Object.keys(apiSpec).forEach(serviceName => {
        $serviceSelect.append(`<option value="${serviceName}">${serviceName}</option>`)
    })
}

function populateMethods(serviceName) {
    const $methodSelect = $('#method')
    $methodSelect.empty()
    $methodSelect.append('<option value="">Выберите метод</option>')

    if (serviceName && apiSpec[serviceName] && apiSpec[serviceName].methods) {
        apiSpec[serviceName].methods.forEach(method => {
            $methodSelect.append(`<option value="${method.name}">${method.name}</option>`)
        })
    }
}

function createParamInputs(methodName, serviceName) {
    const $paramsContainer = $('#params-container')
    $paramsContainer.empty()

    if (!serviceName || !methodName) return

    const service = apiSpec[serviceName]
    if (!service || !service.methods) return

    const method = service.methods.find(m => m.name === methodName)
    if (!method || !method.params) return

    method.params.forEach(param => {
        const required = !param.optional ? ' (обязательно)' : ' (необязательно)'
        const isOptional = param.optional

        const isObjectOrArray = param.type === 'object' || param.type === 'array'
        const defaultValue = param.type === 'object' ? '{}' : (param.type === 'array' ? '[]' : '')
        const inputElement = isObjectOrArray
            ? `<textarea id="param-${param.name}" data-param="${param.name}" placeholder="${param.description}" rows="4" style="font-family: 'Courier New', monospace;">${defaultValue}</textarea>`
            : `<input type="text" id="param-${param.name}" data-param="${param.name}" placeholder="${param.description}">`

        if (isOptional) {
            const $paramDiv = $(`
          <div class="param">
            <div class="param-header">
              <label for="param-${param.name}">${param.name}${required} (${param.type}):</label>
              <div class="checkbox-wrapper">
                <input type="checkbox" id="defined-${param.name}" data-param="${param.name}" class="defined-checkbox">
                <label for="defined-${param.name}">is defined</label>
              </div>
            </div>
            ${inputElement}
          </div>
        `)
            $paramsContainer.append($paramDiv)

            $(`#defined-${param.name}`).on('change', function () {
                const $input = $(`#param-${param.name}`)
                const isChecked = $(this).is(':checked')
                $input.prop('disabled', !isChecked)
                if (!isChecked) {
                    $input.val(isObjectOrArray ? defaultValue : '')
                }
            })

            // Initially disable optional fields
            $(`#param-${param.name}`).prop('disabled', true)
        } else {
            const $paramDiv = $(`
          <div class="param">
            <label for="param-${param.name}">${param.name}${required} (${param.type}):</label>
            ${inputElement}
          </div>
        `)
            $paramsContainer.append($paramDiv)
        }
    })
}

async function sendRequest() {
    const serviceName = $('#service').val()
    const methodName = $('#method').val()

    if (!serviceName || !methodName) {
        $('#result').text('Выберите сервис и метод')
        return
    }

    const params = {}
    let parseError = null

    $('.param').each(function () {
        const $checkbox = $(this).find('.defined-checkbox')
        const $input = $(this).find('input[type="text"], textarea')
        const paramName = $input.data('param')
        const paramType = $input.attr('id').replace('param-', '')

        // Find parameter type from method definition
        const service = apiSpec[serviceName]
        const method = service.methods.find(m => m.name === methodName)
        const paramDef = method.params.find(p => p.name === paramName)
        const isObjectOrArray = paramDef && (paramDef.type === 'object' || paramDef.type === 'array')

        if ($checkbox.length > 0) {
            // Optional parameter
            if ($checkbox.is(':checked') && $input.val().trim() !== '') {
                const value = $input.val().trim()
                if (isObjectOrArray) {
                    try {
                        params[paramName] = JSON.parse(value)
                    } catch (e) {
                        parseError = `Ошибка парсинга JSON для поля "${paramName}": ${e.message}`
                    }
                } else {
                    params[paramName] = value
                }
            }
        } else {
            // Required parameter
            const value = $input.val().trim()
            if (value !== '') {
                if (isObjectOrArray) {
                    try {
                        params[paramName] = JSON.parse(value)
                    } catch (e) {
                        parseError = `Ошибка парсинга JSON для поля "${paramName}": ${e.message}`
                    }
                } else {
                    params[paramName] = value
                }
            }
        }
    })

    if (parseError) {
        $('#result').text(parseError)
        $('#request').text(JSON.stringify(requestData, null, 2))
        return
    }

    const requestData = {
        jsonrpc: '2.0',
        method: `${serviceName}.${methodName}`,
        params: params,
        id: Date.now()
    }

    $('#result').text('Отправка запроса...')
    $('#request').text('')

    try {
        const response = await fetch('http://localhost:8080/api', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            credentials: 'include',
            body: JSON.stringify(requestData)
        })

        const result = await response.json()
        $('#result').text(JSON.stringify(result, null, 2))
        $('#request').text(JSON.stringify(requestData, null, 2))

        // Проверяем, нужно ли обновить профиль пользователя
        if (result.result && (
            methodName.startsWith('authenticateBy') ||
            methodName === 'logout'
        )) {
            await loadUserProfile()
        }
    } catch (error) {
        $('#result').text(`Ошибка: ${error.message}`)
        $('#request').text(JSON.stringify(requestData, null, 2))
    }
}

$(document).ready(async () => {
    await loadApiSpec()
    if (apiSpec) {
        populateServices()

        // Автоматически загружаем профиль пользователя
        await loadUserProfile()

        $('#service').on('change', function () {
            const serviceName = $(this).val()
            populateMethods(serviceName)
            $('#params-container').empty()
        })

        $('#method').on('change', function () {
            const serviceName = $('#service').val()
            const methodName = $(this).val()
            createParamInputs(methodName, serviceName)
        })

        $('#send-btn').on('click', sendRequest)
    }
})