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//
use derive_more::Display;

use git_next_core::{
    git::{self, UserNotification},
    message, newtype, webhook, RegisteredWebhook, RepoConfig, WebhookAuth, WebhookId,
};

message!(LoadConfigFromRepo: "Request to load the `git-next.toml` from the git repo.");
message!(CloneRepo: "Request to clone (or open) the git repo.");
message!(ReceiveRepoConfig: RepoConfig: r#"Notification that the `git-next.toml` file has been loaded from the repo and parsed.

Contains the parsed contents of the `git-next.toml` file."#);
message!(ValidateRepo: MessageToken: r#"Request that the state of the branches in the git repo be assessed and generate any followup actions.

This is the main function of `git-next` where decisions are made on what branches need to be updated and when.

Contains a [MessageToken] to reduce duplicate messages being sent. Only messages with the latest [MessageToken] are handled,
all others are dropped."#);

message!(WebhookRegistered: (WebhookId, WebhookAuth): r#"Notification that a webhook has been registered with a forge.

Contains a tuple of the ID for the webhook returned from the forge, and the unique authorisation token that
incoming messages from the forge must provide."#);
impl WebhookRegistered {
    pub const fn webhook_id(&self) -> &WebhookId {
        &self.0 .0
    }
    pub const fn webhook_auth(&self) -> &WebhookAuth {
        &self.0 .1
    }
}
impl From<RegisteredWebhook> for WebhookRegistered {
    fn from(value: RegisteredWebhook) -> Self {
        let webhook_id = value.id().clone();
        let webhook_auth = value.auth().clone();
        Self::from((webhook_id, webhook_auth))
    }
}

message!(UnRegisterWebhook: "Request that the webhook be removed from the forge, so they will stop notifying us.");

newtype!(MessageToken: u32, Copy, Default, Display, PartialOrd, Ord: r#"An incremental token used to identify the current set of messages.

Primarily used by [ValidateRepo] to reduce duplicate messages. The token is incremented when a new Webhook message is
received, marking that message the latest, and causing any previous messages still being processed to be dropped when
they next send a [ValidateRepo] message."#);
impl MessageToken {
    pub const fn next(&self) -> Self {
        Self(self.0 + 1)
    }
}

message!(RegisterWebhook: "Requests that a Webhook be registered with the forge.");
message!(CheckCIStatus: git::Commit: r#"Requests that the CI status for the commit be checked.

Once the CI Status has been received it will be sent via a [ReceiveCIStatus] message.

Contains the commit from the tip of the `next` branch."#); // next commit
message!(ReceiveCIStatus: (git::Commit, git::forge::commit::Status): r#"Notification of the status of the CI checks for the commit.

Contains a tuple of the commit that was checked (the tip of the `next` branch) and the status."#); // commit and it's status
message!(AdvanceNext: (git::Commit, Vec<git::Commit>): "Request to advance the `next` branch on to the next commit on the `dev branch."); // next commit and the dev commit history
message!(AdvanceMain: git::Commit: "Request to advance the `main` branch on to same commit as the `next` branch."); // next commit
message!(WebhookNotification: webhook::forge_notification::ForgeNotification: "Notification of a webhook message from the forge.");
message!(NotifyUser: UserNotification: "Request to send the message payload to the notification webhook");