use super::ids::Base62Id;
use crate::models::ids::UserId;
use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};

/// The ID of a team
#[derive(Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(from = "Base62Id")]
#[serde(into = "Base62Id")]
pub struct PatId(pub u64);

bitflags::bitflags! {
    #[derive(Serialize, Deserialize)]
    #[serde(transparent)]
    pub struct Scopes: u64 {
        // read a user's email
        const USER_READ_EMAIL = 1 << 0;
        // read a user's data
        const USER_READ = 1 << 1;
        // write to a user's profile (edit username, email, avatar, follows, etc)
        const USER_WRITE = 1 << 2;
        // delete a user
        const USER_DELETE = 1 << 3;
        // modify a user's authentication data
        const USER_AUTH_WRITE = 1 << 4;

        // read a user's notifications
        const NOTIFICATION_READ = 1 << 5;
        // delete or read a notification
        const NOTIFICATION_WRITE = 1 << 6;

        // read a user's payouts data
        const PAYOUTS_READ = 1 << 7;
        // withdraw money from a user's account
        const PAYOUTS_WRITE = 1<< 8;
        // access user analytics (payout analytics at the moment)
        const ANALYTICS = 1 << 9;

        // create a project
        const PROJECT_CREATE = 1 << 10;
        // read a user's projects (including private)
        const PROJECT_READ = 1 << 11;
        // write to a project's data (metadata, title, team members, etc)
        const PROJECT_WRITE = 1 << 12;
        // delete a project
        const PROJECT_DELETE = 1 << 13;

        // create a version
        const VERSION_CREATE = 1 << 14;
        // read a user's versions (including private)
        const VERSION_READ = 1 << 15;
        // write to a version's data (metadata, files, etc)
        const VERSION_WRITE = 1 << 16;
        // delete a project
        const VERSION_DELETE = 1 << 17;

        // create a report
        const REPORT_CREATE = 1 << 18;
        // read a user's reports
        const REPORT_READ = 1 << 19;
        // edit a report
        const REPORT_WRITE = 1 << 20;
        // delete a report
        const REPORT_DELETE = 1 << 21;

        // read a thread
        const THREAD_READ = 1 << 22;
        // write to a thread (send a message, delete a message)
        const THREAD_WRITE = 1 << 23;

        // create a pat
        const PAT_CREATE = 1 << 24;
        // read a user's pats
        const PAT_READ = 1 << 25;
        // edit a pat
        const PAT_WRITE = 1 << 26;
        // delete a pat
        const PAT_DELETE = 1 << 27;

        // read a user's sessions
        const SESSION_READ = 1 << 28;
        // delete a session22
        const SESSION_DELETE = 1 << 29;

        const ALL = 0b11111111111111111111111111111;
        const NOT_RESTRICTED = 0b00000011111111111111100111;
        const NONE = 0b0;
    }
}

impl Scopes {
    // these scopes cannot be specified in a personal access token
    pub fn restricted(&self) -> bool {
        self.contains(
            Scopes::PAT_CREATE
                | Scopes::PAT_READ
                | Scopes::PAT_WRITE
                | Scopes::PAT_DELETE
                | Scopes::SESSION_READ
                | Scopes::SESSION_DELETE
                | Scopes::USER_AUTH_WRITE
                | Scopes::USER_DELETE,
        )
    }
}

#[derive(Serialize, Deserialize)]
pub struct PersonalAccessToken {
    pub id: PatId,
    pub name: String,
    pub access_token: Option<String>,
    pub scopes: Scopes,
    pub user_id: UserId,
    pub created: DateTime<Utc>,
    pub expires: DateTime<Utc>,
    pub last_used: Option<DateTime<Utc>>,
}

impl PersonalAccessToken {
    pub fn from(
        data: crate::database::models::pat_item::PersonalAccessToken,
        include_token: bool,
    ) -> Self {
        Self {
            id: data.id.into(),
            name: data.name,
            access_token: if include_token {
                Some(data.access_token)
            } else {
                None
            },
            scopes: data.scopes,
            user_id: data.user_id.into(),
            created: data.created,
            expires: data.expires,
            last_used: data.last_used,
        }
    }
}