use serde::{Deserialize, Serialize};
use uuid::Uuid;

use crate::models::attachments::types::{
    DbMediaAttachment,
    AttachmentType,
};
use crate::utils::files::get_file_url;

/// https://docs.joinmastodon.org/methods/statuses/media/
#[derive(Deserialize)]
pub struct AttachmentCreateData {
    // base64-encoded file
    pub file: String,
}

/// https://docs.joinmastodon.org/entities/attachment/
#[derive(Serialize)]
pub struct Attachment {
    pub id: Uuid,

    #[serde(rename = "type")]
    pub attachment_type: String,

    pub url: String,
}

impl Attachment {
    pub fn from_db(db_object: DbMediaAttachment, instance_url: &str) -> Self {
        let attachment_type = AttachmentType::from_media_type(db_object.media_type);
        let attachment_type_mastodon = match attachment_type {
            AttachmentType::Unknown => "unknown",
            AttachmentType::Image => "image",
        };
        let attachment_url = get_file_url(instance_url, &db_object.file_name);
        Self {
            id: db_object.id,
            attachment_type: attachment_type_mastodon.to_string(),
            url: attachment_url,
        }
    }
}