// Vision System API Client for vision-system-remote
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore - Vite provides import.meta.env
const VISION_API_BASE_URL = (import.meta.env?.VITE_VISION_API_URL as string | undefined) || 'http://exp-dash:8000'

// Types (simplified - we'll use the same types from the original)
export interface SystemStatus {
    system_started: boolean
    mqtt_connected: boolean
    last_mqtt_message: string
    machines: Record<string, MachineStatus>
    cameras: Record<string, CameraStatus>
    active_recordings: number
    total_recordings: number
    uptime_seconds: number
}

export interface MachineStatus {
    name: string
    state: string
    last_updated: string
    last_message?: string
    mqtt_topic?: string
}

export interface CameraStatus {
    name?: string
    status: string
    is_recording: boolean
    last_checked: string
    last_error?: string | null
    device_info?: {
        friendly_name?: string
        serial_number?: string
        port_type?: string
        model?: string
        firmware_version?: string
    }
    current_recording_file?: string | null
    recording_start_time?: string | null
    last_frame_time?: string
    frame_rate?: number
    auto_recording_enabled: boolean
    auto_recording_active: boolean
    auto_recording_failure_count: number
    auto_recording_last_attempt?: string
    auto_recording_last_error?: string
}

export interface RecordingInfo {
    camera_name: string
    filename: string
    start_time: string
    state: string
    end_time?: string
    file_size_bytes?: number
    frame_count?: number
    duration_seconds?: number
    error_message?: string | null
}

export interface StorageStats {
    base_path: string
    total_files: number
    total_size_bytes: number
    cameras: Record<string, {
        file_count: number
        total_size_bytes: number
    }>
    disk_usage: {
        total: number
        used: number
        free: number
    }
}

export interface MqttStatus {
    connected: boolean
    broker_host: string
    broker_port: number
    subscribed_topics: string[]
    last_message_time: string
    message_count: number
    error_count: number
    uptime_seconds: number
}

export interface MqttEvent {
    machine_name: string
    topic: string
    payload: string
    normalized_state: string
    timestamp: string
    message_number: number
}

export interface MqttEventsResponse {
    events: MqttEvent[]
    total_events: number
    last_updated: string | null
}

export interface StartRecordingResponse {
    success: boolean
    message: string
    filename: string
}

export interface StopRecordingResponse {
    success: boolean
    message: string
}

export interface StreamStopResponse {
    success: boolean
    message: string
}

export interface CameraConfig {
    name: string
    machine_topic: string
    storage_path: string
    enabled: boolean
    auto_start_recording_enabled: boolean
    auto_recording_max_retries: number
    auto_recording_retry_delay_seconds: number
    exposure_ms: number
    gain: number
    target_fps: number
    video_format: string
    video_codec: string
    video_quality: number
    sharpness: number
    contrast: number
    saturation: number
    gamma: number
    noise_filter_enabled: boolean
    denoise_3d_enabled: boolean
    auto_white_balance: boolean
    color_temperature_preset: number
    wb_red_gain: number
    wb_green_gain: number
    wb_blue_gain: number
    anti_flicker_enabled: boolean
    light_frequency: number
    bit_depth: number
    hdr_enabled: boolean
    hdr_gain_mode: number
}

export interface CameraConfigUpdate {
    exposure_ms?: number
    gain?: number
    target_fps?: number
    sharpness?: number
    contrast?: number
    saturation?: number
    gamma?: number
    noise_filter_enabled?: boolean
    denoise_3d_enabled?: boolean
    auto_white_balance?: boolean
    color_temperature_preset?: number
    wb_red_gain?: number
    wb_green_gain?: number
    wb_blue_gain?: number
    anti_flicker_enabled?: boolean
    light_frequency?: number
    hdr_enabled?: boolean
    hdr_gain_mode?: number
    auto_start_recording_enabled?: boolean
    auto_recording_max_retries?: number
    auto_recording_retry_delay_seconds?: number
}

export interface CameraConfigUpdateResponse {
    success: boolean
    message: string
    updated_settings: string[]
}

export interface CameraRecoveryResponse {
    success: boolean
    message: string
    camera_name: string
    operation: string
}

export interface StreamStartResponse {
    success: boolean
    message: string
}

class VisionApiClient {
    private baseUrl: string

    constructor(baseUrl: string = VISION_API_BASE_URL) {
        this.baseUrl = baseUrl
    }

    private async request<T>(endpoint: string, options: RequestInit = {}): Promise<T> {
        const url = `${this.baseUrl}${endpoint}`
        const response = await fetch(url, {
            headers: {
                'Content-Type': 'application/json',
                ...options.headers,
            },
            ...options,
        })

        if (!response.ok) {
            const errorText = await response.text()
            throw new Error(`API request failed: ${response.status} ${response.statusText} - ${errorText}`)
        }

        return response.json()
    }

    async getSystemStatus(): Promise<SystemStatus> {
        return this.request('/system/status')
    }

    async getCameras(): Promise<Record<string, CameraStatus>> {
        return this.request('/cameras')
    }

    async getRecordings(): Promise<Record<string, RecordingInfo>> {
        return this.request('/recordings')
    }

    async getStorageStats(): Promise<StorageStats> {
        return this.request('/storage/stats')
    }

    async getMqttStatus(): Promise<MqttStatus> {
        return this.request('/mqtt/status')
    }

    async getMqttEvents(limit: number = 50): Promise<MqttEventsResponse> {
        return this.request(`/mqtt/events?limit=${limit}`)
    }

    async publishMqttMessage(topic: string, payload: string, qos: number = 0, retain: boolean = false): Promise<{ success: boolean; message: string; topic: string; payload: string }> {
        return this.request('/mqtt/publish', {
            method: 'POST',
            body: JSON.stringify({ topic, payload, qos, retain }),
        })
    }

    async startRecording(cameraName: string, filename?: string): Promise<StartRecordingResponse> {
        return this.request(`/cameras/${cameraName}/start-recording`, {
            method: 'POST',
            body: JSON.stringify({ filename }),
        })
    }

    async stopRecording(cameraName: string): Promise<StopRecordingResponse> {
        return this.request(`/cameras/${cameraName}/stop-recording`, {
            method: 'POST',
        })
    }

    async stopStream(cameraName: string): Promise<StreamStopResponse> {
        return this.request(`/cameras/${cameraName}/stop-stream`, {
            method: 'POST',
        })
    }

    getStreamUrl(cameraName: string): string {
        return `${this.baseUrl}/cameras/${cameraName}/stream`
    }

    async startStream(cameraName: string): Promise<StreamStartResponse> {
        return this.request(`/cameras/${cameraName}/start-stream`, {
            method: 'POST',
        })
    }

    async getCameraConfig(cameraName: string): Promise<CameraConfig> {
        return this.request(`/cameras/${cameraName}/config`)
    }

    async updateCameraConfig(cameraName: string, config: CameraConfigUpdate): Promise<CameraConfigUpdateResponse> {
        return this.request(`/cameras/${cameraName}/config`, {
            method: 'PUT',
            body: JSON.stringify(config),
        })
    }

    async applyCameraConfig(cameraName: string): Promise<{ success: boolean; message: string }> {
        return this.request(`/cameras/${cameraName}/apply-config`, {
            method: 'POST',
        })
    }

    async reinitializeCamera(cameraName: string): Promise<CameraRecoveryResponse> {
        return this.request(`/cameras/${cameraName}/reinitialize`, {
            method: 'POST',
        })
    }

    async fullResetCamera(cameraName: string): Promise<CameraRecoveryResponse> {
        return this.request(`/cameras/${cameraName}/full-reset`, {
            method: 'POST',
        })
    }
}

export const visionApi = new VisionApiClient()

// Utility functions
export const formatBytes = (bytes: number): string => {
    if (bytes === 0) return '0 Bytes'
    const k = 1024
    const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB']
    const i = Math.floor(Math.log(bytes) / Math.log(k))
    return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i]
}

export const formatDuration = (seconds: number): string => {
    const hours = Math.floor(seconds / 3600)
    const minutes = Math.floor((seconds % 3600) / 60)
    const secs = Math.floor(seconds % 60)

    if (hours > 0) {
        return `${hours}h ${minutes}m ${secs}s`
    } else if (minutes > 0) {
        return `${minutes}m ${secs}s`
    } else {
        return `${secs}s`
    }
}

export const formatUptime = (seconds: number): string => {
    const days = Math.floor(seconds / 86400)
    const hours = Math.floor((seconds % 86400) / 3600)
    const minutes = Math.floor((seconds % 3600) / 60)

    if (days > 0) {
        return `${days}d ${hours}h ${minutes}m`
    } else if (hours > 0) {
        return `${hours}h ${minutes}m`
    } else {
        return `${minutes}m`
    }
}