// 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 =
    // `skipIfNotFound` skips the step when the element isn't on the page, instead of
    // failing the run — for things that only sometimes appear, like a cookie
    // banner or a confirmation modal. Only absence is tolerated: an element that
    // is present but covered or off-screen still fails.
    | { action: 'click'; selector: string; index?: number; skipIfNotFound?: boolean; urlPattern?: string; label?: string }
    | { action: 'type'; selector: string; text: string; index?: number; clear?: boolean; skipIfNotFound?: 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 }
    // Block until `selector` exists, then carry on. Nothing is clicked or typed —
    // this is a gate, for conditions something outside the run has to satisfy.
    | { action: 'waitFor'; selector: string; index?: number; timeoutSeconds?: number; label?: string }
    // Run `steps` several times over. `times` fixes the count here; `timesFrom`
    // takes it from an input the user fills in on the dashboard. The block is
    // unrolled before the runner ever sees it — see resolveSteps.
    | { action: 'repeat'; times?: number; timesFrom?: string; steps: AutomationStep[]; label?: string };

/** A number the user supplies on the dashboard before starting a run. */
export interface AutomationInput {
    id: string;
    label: string;
    default: number;
    min: number;
    max: number;
}

export type RunInputs = Record<string, number>;

/** Unrolling a repeat multiplies steps, and each one can be a purchase. Cap the
 *  expansion so a bad input can't queue a thousand clicks. */
const MAX_RESOLVED_STEPS = 400;
const MAX_REPEAT_DEPTH = 3;

export interface Automation {
    id: string;
    label: string;
    description: string;
    /** Values the user sets per run. Referenced by `timesFrom` on a repeat. */
    inputs?: AutomationInput[];
    /** 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;
    signedOut?: string;
    signedOutWait?: number;
};

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;
    /** Substring identifying the signed-out page. When a session expires the site
     *  redirects here, and every subsequent selector resolves against a login form
     *  — so a run that lands on it must stop rather than click through it. */
    signedOutPattern: string;
    /** Seconds to pause and let a human sign in when a run hits the login page.
     *  0 aborts instead. Used only when `authSteps` is empty. */
    signedOutWaitSeconds: number;
    /** Steps run when a run lands on the login page, before retrying the step
     *  that hit it. Left empty here on purpose — fill it in yourself.
     *
     *  Two things to know if you do:
     *   - These run *while on the signed-out page*, so unlike normal steps they
     *     carry no signed-out guard. Nothing stops them clicking around a login
     *     form; that is the point, and also why a wrong selector here is worse
     *     than elsewhere.
     *   - Anything written here lives in this file in plain text, and this file
     *     is in the repo.
     *
     *  While empty, a run that hits the login page falls back to pausing for
     *  `signedOutWaitSeconds` so you can sign in by hand. */
    authSteps: AutomationStep[];
    automations: Automation[];
}

export const FIRMS: Firm[] = [
    {
        id: 'tradeify',
        label: 'Tradeify',
        urlPattern: 'https://app-f.tradeify.co/*',
        url: 'https://app-f.tradeify.co/',
        signedOutPattern: '/auth/',
        signedOutWaitSeconds: 300,
        authSteps: [
            { action: 'click', selector: 'form > div > div:last-child button', label: 'Login' },
        ],
        automations: [
            {
                id: 'buy-accounts',
                label: 'Buy Accounts x 5',
                description: 'Opens the Add Account flow.',
                confirm: 'This drives the real mouse against Tradeify and can spend money. Continue?',
                inputs: [{ id: 'count', label: 'Accounts - 5 Pack', default: 1, min: 1, max: 3 }],
                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' },
                    { action: 'click', selector: 'div.account_types:nth-child(3) > div[role="radiogroup"] > div > div:nth-child(2)'},
                    { action: 'click', selector: 'div.account_types:nth-child(7) span:last-child'},
                    { action: 'click', selector: 'div.summary_section div.MuiTextField-root input'},
                    { action: 'type', selector: 'div.summary_section div.MuiTextField-root input', text: 'MX8'},
                    { action: 'click', selector: 'div.summary_section div.MuiTextField-root + button'},
                    { action: 'click', selector: 'div.captcha-solver[data-state="ready"]'},
                    { action: 'waitFor', selector: "div.captcha-solver[data-state='solved']", timeoutSeconds: 120,
  label: 'Wait for the challenge' },
                    { action: 'click', selector: 'div.summary_section > button:last-child', label: 'Open Add Account' },
                    // TODO: the rest of the purchase flow. Confirm each selector with
                    // `clicker.py locate` before adding it here.
                    
                ],
            },
            {
                id: 'reset',
                label: 'Reset Accounts',
                description: 'Resets Accounts',
                confirm: 'This resets accounts',
                inputs: [{ id: 'count', label: 'Accounts', default: 1, min: 1, max: 10 }],
                steps: [
                    { action: 'navigate', label: 'Open the Tradeify dashboard' },

                    { action: 'click', selector: 'div.MuiTabs-scroller button:nth-child(2)', label: 'Click Evaluation Tab'},
                    { action: 'click', selector: '.tab-head-right .MuiSwitch-colorPrimary.Mui-checked', skipIfNotFound: true, label: 'Show failed accounts' },

                    { action: 'repeat', timesFrom: 'count', steps: [
                        // one purchase — the steps you already have
                        { action: 'click', selector: 'button.reset_btn', label: 'Reset Account' },
                        { action: 'waitFor', selector: "div.captcha-solver[data-state='ready']", timeoutSeconds: 30, label: 'Wait for the solver' },
                        { action: 'click', selector: 'div.captcha-solver[data-state="ready"]'},
                        { action: 'waitFor', selector: "div.captcha-solver[data-state='solved']", timeoutSeconds: 120, label: 'Wait for the challenge' },
                        { action: 'click', selector: 'button.cancelBtn + button.modalActionBtn' }
                    ]}, 
                ]
            }
        ],
    },
    {
        id: 'lucid',
        label: 'Lucid Trading',
        // One pattern covers both hosts: Chrome's `*.` form matches the apex as
        // well as subdomains, confirmed against a live tab on lucidtrading.com.
        urlPattern: 'https://*.lucidtrading.com/*',
        url: 'https://dash.lucidtrading.com/',
        // Signed out lands on the apex; signed in stays on dash. The leading `//`
        // anchors this to the start of the host — without it, the substring also
        // matches dash.lucidtrading.com and every step would abort while logged in.
        signedOutPattern: '//lucidtrading.com/',
        signedOutWaitSeconds: 300,
        authSteps: [
            { action: 'click', selector: 'button.lucid-login-btn', label: 'Login' },

        ],
        automations: [
            {
                id: 'buy-account',
                label: 'Buy Account',
                description: 'Opens the Add Account flow.',
                confirm: 'This drives the real mouse against Lucid and can spend money. Continue?',
                inputs: [{ id: 'count', label: 'Accounts', default: 1, min: 1, max: 15 }],
                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 Lucid dashboard' },
                    { action: 'click', selector: 'a[data-route="/add-account"]', label: 'Open Add Account' },
                    { action: 'repeat', timesFrom: 'count', steps: [
                        // one purchase — the steps you already have
                        { action: 'click', selector: 'a[data-route="/add-account"]', label: 'Open Add Account' },
                    ]}, 
                ],
            },
        ],
    },
];

/** 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;
}

/** Clamp a user-supplied count to what the automation declared. Never trust the
 *  number that arrived over the wire: each iteration can be a purchase. */
export function resolveCount(
    step: Extract<AutomationStep, { action: 'repeat' }>,
    automation: Automation,
    inputs: RunInputs,
): number {
    if (!step.timesFrom) return Math.max(1, Math.floor(step.times ?? 1));

    const declared = (automation.inputs ?? []).find((i) => i.id === step.timesFrom);
    const raw = inputs[step.timesFrom];
    if (!declared) return 1;

    const n = Number.isFinite(raw) ? Math.floor(raw) : declared.default;
    return Math.min(declared.max, Math.max(declared.min, n));
}

/** Give each step of an unrolled iteration a label that says which pass it is,
 *  so a failure on the third purchase reads as such in the run log. */
function labelled(step: ResolvedStep, iteration: number, total: number): ResolvedStep {
    if (total <= 1) return step;
    return { ...step, label: `${step.label ?? describeStep(step)} (${iteration}/${total})` };
}

/** One non-repeat step, with the firm's tab pattern and URLs filled in. */
function resolveOne(firm: Firm, step: AutomationStep): ResolvedStep {
    if (step.action === 'wait') return step;
    if (step.action === 'navigate') {
        return {
            ...step,
            url: step.url ?? firm.url,
            urlPattern: firm.urlPattern,
            openUrl: firm.url,
            signedOut: firm.signedOutPattern,
            signedOutWait: firm.signedOutWaitSeconds,
        };
    }
    if (step.action === 'waitFor') {
        return { ...step, urlPattern: firm.urlPattern, openUrl: firm.url };
    }
    if (step.action === 'repeat') {
        // expand() peels these off first; reaching here means a caller bypassed it.
        throw new Error('repeat steps must be expanded, not resolved directly');
    }
    return {
        ...step,
        urlPattern: step.urlPattern ?? firm.urlPattern,
        openUrl: firm.url,
        signedOut: firm.signedOutPattern,
        signedOutWait: firm.signedOutWaitSeconds,
    };
}

/** Flatten repeats into a plain list.
 *
 *  Expanding here rather than looping in the runner keeps the runner unchanged,
 *  makes the run's total step count honest, and puts every iteration in the run
 *  log as its own line. The cost is that the count must be known up front, which
 *  it is: either fixed in the config or supplied before the run starts.
 */
function expand(
    steps: AutomationStep[],
    firm: Firm,
    automation: Automation,
    inputs: RunInputs,
    depth = 0,
): ResolvedStep[] {
    if (depth > MAX_REPEAT_DEPTH) {
        throw new Error(`repeat nested more than ${MAX_REPEAT_DEPTH} deep`);
    }

    const out: ResolvedStep[] = [];
    for (const step of steps) {
        if (step.action === 'repeat') {
            const times = resolveCount(step, automation, inputs);
            for (let i = 1; i <= times; i++) {
                for (const inner of expand(step.steps, firm, automation, inputs, depth + 1)) {
                    out.push(labelled(inner, i, times));
                }
            }
        } else {
            out.push(resolveOne(firm, step));
        }

        if (out.length > MAX_RESOLVED_STEPS) {
            throw new Error(`expands to more than ${MAX_RESOLVED_STEPS} steps`);
        }
    }
    return out;
}

export function resolveSteps(firm: Firm, automation: Automation, inputs: RunInputs = {}): ResolvedStep[] {
    return expand(automation.steps, firm, automation, inputs);
}

/** Auth steps run on the login page itself, so they get the firm's tab pattern
 *  but deliberately no `signedOut` guard — that guard exists to stop ordinary
 *  steps acting on a login form, and these are the exception.
 *
 *  They share the expansion path, so a repeat works here too; there are no
 *  per-run inputs during auth, so `timesFrom` falls back to a single pass. */
export function resolveAuthSteps(firm: Firm): ResolvedStep[] {
    const stub: Automation = { id: '_auth', label: 'auth', description: '', steps: firm.authSteps };
    return expand(firm.authSteps, firm, stub, {}).map((step) =>
        step.action === 'wait' ? step : { ...step, signedOut: undefined, signedOutWait: undefined }
    );
}

/** 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'}`;
        case 'waitFor': return `wait for ${step.selector}`;
        case 'repeat': {
            const inner = step.steps.length;
            const count = step.timesFrom ? `{${step.timesFrom}}` : `${step.times ?? 1}`;
            return `repeat ${count}× (${inner} step${inner === 1 ? '' : 's'})`;
        }
    }
}