import { afterEach, beforeEach, expect, it, vi } from 'vitest';
import { newFixture, type Fixture } from '../helpers/fixture.js';
import {
    campaignOutcome,
    campaignTitle,
    type CampaignSummary
} from '../../src/lib/ui/campaigns.js';

let fixture: Fixture;
beforeEach(async () => {
    vi.resetModules();
    fixture = await newFixture([]);
});
afterEach(async () => {
    await fixture.cleanup();
});

async function setup() {
    const { db } = await import('../../src/lib/server/db/index.js');
    const handle = db();
    const { GET } = await import('../../src/routes/api/campaigns/+server.js');
    const get = async (
        query = ''
    ): Promise<{ deployments: (CampaignSummary & { id: string })[]; total: number }> =>
        (await GET({ url: new URL(`http://localhost/api/campaigns?${query}`) })).json();
    const add = (id: string, states: string[], action = 'promote', deleted = false) => {
        handle
            .prepare('INSERT INTO deployments(id, action, started_at) VALUES(?,?,?)')
            .run(id, action, '2026-10-06T12:00:00Z');
        for (const [index, state] of states.entries()) {
            handle
                .prepare(
                    'INSERT INTO deployment_servers(deployment_id, server, files_changed, restart_state, server_deleted_at) VALUES(?,?,1,?,?)'
                )
                .run(
                    id,
                    `t5_zombie_theater_${index + 1}`,
                    state,
                    deleted ? '2026-10-06T13:00:00Z' : null
                );
        }
    };
    return { handle, get, add };
}

it('searches script names, campaign IDs and friendly server names across all retained history before pagination', async () => {
    const { handle, get, add } = await setup();
    add('old-multi-script', ['done']);
    add('old-legacy-script', ['done']);
    handle.exec(`INSERT INTO scripts(id,name,target_rel_path) VALUES(1,'Double Tap','double.gsc'),(2,'100% power','power.gsc');
        INSERT INTO script_versions(id,script_id,version,sha256,size) VALUES(1,1,2,'hash',0);
        INSERT INTO deployment_scripts(deployment_id,script_id,script_version_id) VALUES('old-multi-script',1,1);
        UPDATE deployments SET script_id=2 WHERE id='old-legacy-script';`);
    for (let i = 0; i < 30; i++) add(`newer-${i}`, ['done']);
    expect((await get('q=DOUBLE%20TAP&limit=1')).deployments.map((row) => row.id)).toEqual([
        'old-multi-script'
    ]);
    expect((await get('q=old-legacy&limit=1')).deployments.map((row) => row.id)).toEqual([
        'old-legacy-script'
    ]);
    expect((await get('q=%25')).deployments.map((row) => row.id)).toEqual(['old-legacy-script']);
    const friendly = await get('q=Kino%20Der%20Toten&limit=1');
    expect(friendly.total).toBe(32);
    expect(friendly.deployments).toHaveLength(1);
    expect((await get('q=not-found')).total).toBe(0);
});

it('exposes release versions for campaign titles and both campaign detail endpoints', async () => {
    const { handle, get, add } = await setup();
    add('aggregate-script', ['done']);
    add('legacy-script', ['done']);
    add('config', ['done']);
    handle.exec(`
        INSERT INTO scripts(id,name,target_rel_path,kind)
            VALUES(1,'Double Tap','double.gsc','script'),(2,'Server settings','settings.cfg','config');
        INSERT INTO script_versions(id,script_id,version,release_version,kind,sha256,size)
            VALUES(1,1,2,'1.3.0','script','old',0),(2,1,11,'2.4.1','script','new',0),
                  (3,2,4,NULL,'config','settings',0);
        INSERT INTO deployment_scripts(deployment_id,script_id,script_version_id,prior_version_id,kind)
            VALUES('aggregate-script',1,2,1,'script'),('config',2,3,NULL,'config');
        UPDATE deployments SET script_id=1,script_version_id=2,prior_version_id=1 WHERE id='legacy-script';
    `);
    const { deployments } = await get();
    const versions = {
        script_kind: 'script',
        script_version: 11,
        script_release_version: '2.4.1',
        prior_version: 2,
        prior_release_version: '1.3.0'
    };
    const aggregate = deployments.find((row) => row.id === 'aggregate-script')!;
    const legacy = deployments.find((row) => row.id === 'legacy-script')!;
    expect(aggregate.scripts).toEqual([expect.objectContaining(versions)]);
    expect(legacy).toMatchObject(versions);
    expect(campaignTitle(aggregate)).toBe('Promote · Double Tap 2.4.1 (upload 11)');
    expect(campaignTitle(legacy)).toBe('Promote · Double Tap 2.4.1 (upload 11)');
    expect(campaignTitle(deployments.find((row) => row.id === 'config')!)).toBe(
        'Promote · Server settings v4'
    );

    const { GET: campaignDetail } = await import('../../src/routes/api/campaigns/[id]/+server.js');
    const { GET: deploymentDetail } =
        await import('../../src/routes/api/deployments/[id]/+server.js');
    for (const detail of [campaignDetail, deploymentDetail]) {
        const response = await (await detail({ params: { id: 'aggregate-script' } })).json();
        expect(response.scripts).toEqual([expect.objectContaining(versions)]);
    }
});

it('keeps API status filters and active/history partitions consistent with displayed outcomes', async () => {
    const { handle, get, add } = await setup();
    add('complete', ['done']);
    add('deleted-complete', ['done'], 'promote', true);
    add('pending', ['done', 'pending']);
    add('held', ['held']);
    add('manual', ['manual']);
    add('failed', ['failed', 'pending']);
    add('deleted-failed', ['failed'], 'promote', true);
    add('withdrawn', ['skipped', 'cancelled']);
    add('empty', []);
    add('rollback', ['done'], 'rollback');
    add('reversed', ['done']);
    handle.prepare("UPDATE deployments SET rolled_back_by='rollback' WHERE id='reversed'").run();
    const all = (await get('limit=100')).deployments;
    for (const status of ['attention', 'progress', 'complete', 'rolled-back', 'inactive']) {
        const expected = all
            .filter((row) => campaignOutcome(row).status === status)
            .map((row) => row.id);
        const filtered = await get(`status=${status}&limit=100`);
        expect(filtered.total).toBe(expected.length);
        expect(filtered.deployments.map((row) => row.id)).toEqual(expected);
    }
    const active = await get('active=true');
    expect(active.deployments.map((row) => row.id).sort()).toEqual([
        'failed',
        'held',
        'manual',
        'pending'
    ]);
    const history = await get('view=history');
    expect(history.total + active.total).toBe(all.length);
    expect(
        history.deployments.some((row) =>
            active.deployments.some((candidate) => candidate.id === row.id)
        )
    ).toBe(false);
});

it('combines search, type and status filters before counting and paginating history', async () => {
    const { get, add } = await setup();
    for (let i = 0; i < 30; i++) add(`repair-${i}`, ['done'], 'drift');
    add('promote', ['done']);
    add('incomplete-repair', ['pending'], 'drift');
    const query = 'q=maintenance%20repair&action=drift&status=complete&view=history&limit=25';
    const first = await get(query);
    const second = await get(`${query}&offset=25`);
    expect(first.total).toBe(30);
    expect(first.deployments).toHaveLength(25);
    expect(second.deployments).toHaveLength(5);
    expect(new Set([...first.deployments, ...second.deployments].map((row) => row.id)).size).toBe(
        30
    );
    expect((await get('action=rollback')).total).toBe(0);
});