// Automations live inside the firm whose site they drive. The dashboard renders
// a tab per firm and a button per automation within it; the Python runner claims
// a queued run, resolves each selector through the extension, and drives the real
// mouse.
//
// Adding a button means adding an entry to that firm's `automations` — nothing in
// the page, the API or the runner changes.
//
// Adding a NEW FIRM also needs its host added to extension/manifest.json
// host_permissions, and the extension reloaded. Without that the extension is not
// permitted to read that site and every step fails to locate.

export type AutomationStep =
    | { action: 'click'; selector: string; index?: number; urlPattern?: string; label?: string }
    | { action: 'type'; selector: string; text: string; index?: number; clear?: boolean; urlPattern?: string; label?: string }
    | { action: 'wait'; seconds: number; label?: string }
    // Point the firm's tab at a page. Omit `url` to use the firm's own. Skipped
    // when the tab is already there, so it doesn't reload and lose page state.
    | { action: 'navigate'; url?: string; label?: string };

export interface Automation {
    id: string;
    label: string;
    description: string;
    /** Shown as a confirmation before the run. Set it on anything that spends money. */
    confirm?: string;
    steps: AutomationStep[];
}

/** A step as handed to the runner: the firm's tab pattern and fallback URL
 *  filled in, so the runner never has to know which firm it is working on. */
export type ResolvedStep = AutomationStep & {
    urlPattern?: string;
    openUrl?: string;
};

export interface Firm {
    id: string;
    label: string;
    /** Chrome match pattern for this firm's tab. Steps inherit it unless they set
     *  their own, which keeps one firm's automation from acting on another's tab. */
    urlPattern: string;
    /** Concrete page to open when no tab matches `urlPattern`. A match pattern
     *  can't be navigated to, so this has to be spelled out separately. */
    url: string;
    automations: Automation[];
}

export const FIRMS: Firm[] = [
    {
        id: 'tradeify',
        label: 'Tradeify',
        urlPattern: 'https://app-f.tradeify.co/*',
        url: 'https://app-f.tradeify.co/',
        automations: [
            {
                id: 'buy-accounts',
                label: 'Buy Accounts',
                description: 'Opens the Add Account flow.',
                confirm: 'This drives the real mouse against Tradeify and can spend money. Continue?',
                steps: [
                    // The tab is routinely left on another Tradeify page (/the-circuit,
                    // an account view). The Add Account link only exists on the
                    // dashboard, so go there first rather than assuming.
                    { action: 'navigate', label: 'Open the Tradeify dashboard' },
                    // `a.add_account_btn` is the authored class on the Add Account
                    // link — confirmed against a real capture, matchCount 1. The MUI
                    // hash classes on the same element (mui-*) are regenerated on
                    // every site build, so they are not safe to select on.
                    { action: 'click', selector: 'a.add_account_btn', label: 'Open Add Account' },
                    { action: 'wait', seconds: 2, label: 'Wait for the form' },
                    // TODO: the rest of the purchase flow. Confirm each selector with
                    // `clicker.py locate` before adding it here.
                ],
            },
        ],
    },
];

/** Runs store one string, so it has to identify the automation globally — and
 *  every firm will plausibly have its own "buy-accounts". Hence firm:automation
 *  rather than the bare id. */
export function automationKey(firmId: string, automationId: string): string {
    return `${firmId}:${automationId}`;
}

export function getFirm(id: string): Firm | undefined {
    return FIRMS.find((f) => f.id === id);
}

export function findAutomation(key: string): { firm: Firm; automation: Automation } | undefined {
    for (const firm of FIRMS) {
        for (const automation of firm.automations) {
            if (automationKey(firm.id, automation.id) === key) return { firm, automation };
        }
    }
    return undefined;
}

/** Fill in the firm's tab pattern for any step that didn't name one, so the
 *  runner never has to know which firm it is working on. */
export function resolveSteps(firm: Firm, automation: Automation): ResolvedStep[] {
    return automation.steps.map((step) => {
        if (step.action === 'wait') return step;
        if (step.action === 'navigate') {
            return { ...step, url: step.url ?? firm.url, urlPattern: firm.urlPattern, openUrl: firm.url };
        }
        return { ...step, urlPattern: step.urlPattern ?? firm.urlPattern, openUrl: firm.url };
    });
}

/** What a step is doing, for the run log and the dashboard. */
export function describeStep(step: AutomationStep): string {
    if (step.label) return step.label;
    switch (step.action) {
        case 'click': return `click ${step.selector}`;
        case 'type': return `type into ${step.selector}`;
        case 'wait': return `wait ${step.seconds}s`;
        case 'navigate': return `open ${step.url ?? 'the firm page'}`;
    }
}