import type {

TaskRecord,

TaskRegistrySummary,

TaskRuntimeCounts,

TaskStatusCounts,

} from "./task-registry.types.js";

function createEmptyTaskStatusCounts(): TaskStatusCounts {

return {

queued: 0,

running: 0,

succeeded: 0,

failed: 0,

timed_out: 0,

cancelled: 0,

lost: 0,

};

}

function createEmptyTaskRuntimeCounts(): TaskRuntimeCounts {

return {

subagent: 0,

acp: 0,

cli: 0,

cron: 0,

};

}

export function createEmptyTaskRegistrySummary(): TaskRegistrySummary {

return {

total: 0,

active: 0,

terminal: 0,

failures: 0,

byStatus: createEmptyTaskStatusCounts(),

byRuntime: createEmptyTaskRuntimeCounts(),

};

}

export function summarizeTaskRecords(records: Iterable<TaskRecord>): TaskRegistrySummary {

const summary = createEmptyTaskRegistrySummary();

for (const task of records) {

summary.total += 1;

summary.byStatus[task.status] += 1;

summary.byRuntime[task.runtime] += 1;

if (task.status === "queued" || task.status === "running") {

summary.active += 1;

} else {

summary.terminal += 1;

}

if (task.status === "failed" || task.status === "timed_out" || task.status === "lost") {

summary.failures += 1;

}

}

return summary;

}