import * as fs from 'fs/promises';
import * as path from 'path';

import * as pg from 'pg';

import { ExitCodes, ExitCode } from '../../exit-codes/exit-codes';
import Logger from '../../logger/logger';

const LOG = Logger.create(__filename);


// TODO: remove db in favor of DB.js
const db = new pg.Client({
    host: 'localhost',
    user: 'cordis',
    password: 'cordis_pass',
    database: 'cordis',
});

process.on('unhandledRejection', async (reason, promise) => {
    LOG.error('unhandled promise rejection:', reason);
    ExitCodes.exit(ExitCode.GENERAL_ERROR);
});

(async () => {
    await db.connect();
    try {
        await db.query('BEGIN');

        // Note: Order matters
        await db.query('DELETE FROM "messages"');
        await db.query('DELETE FROM "channels"');
        await db.query('DELETE FROM "members"');
        await db.query('DELETE FROM "guilds_meta"');
        await db.query('DELETE FROM "resources"');
        await db.query('DELETE FROM "guilds"');

        let icon1Buff = await fs.readFile(path.join(__dirname, 'resources/icon-no-chicoms.png'));
        let icon2Buff = await fs.readFile(path.join(__dirname, 'resources/icon-literally-heaven.png'));

        let server1Result = await db.query('INSERT INTO "guilds" ("id") VALUES (DEFAULT) RETURNING "id"');

        let server1Id = server1Result.rows[0].id;
        let icon1Result = await db.query('INSERT INTO "resources" ("guild_id", "hash", "data") VALUES ($1, digest($2::bytea, \'sha256\'), $2::bytea) RETURNING "id"', [ server1Id, icon1Buff ]);
        let icon1ResourceId = icon1Result.rows[0].id;

        await db.query('INSERT INTO "guilds_meta" ("id", "name", "icon_resource_id") VALUES ($1, $2, $3)', [ server1Id, 'no chicoms', icon1ResourceId ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 1, 'general', 'Some testing flavor text' ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 2, 'vocabulary', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 3, 'gear', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 4, 'memes', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 5, 'apocalypse', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 6, 'wisdom', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 7, 'footage', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 8, 'burger-chicken', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 9, 'handles', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 10, 'handles-link', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 11, 'workout', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 12, 'montage', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 13, 'epic-gamers', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 14, 'scams', null ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server1Id, 15, 'bot-commands', null ]);

        // Some dummy members
        let avatar1Buff = await fs.readFile(path.join(__dirname, '/resources/avatar-1.png'));
        let avatar1Result = await db.query('INSERT INTO "resources" ("guild_id", "hash", "data") VALUES ($1, digest($2::bytea, \'sha256\'), $2::bytea) RETURNING "id"', [ server1Id, avatar1Buff ]);
        let avatar1Id = avatar1Result.rows[0].id;
        await db.query('INSERT INTO "members" ("guild_id", "public_key", "display_name", "avatar_resource_id") VALUES ($1, $2, $3, $4)', [ server1Id, 'dummy public key 1', 'AndrewSfeir', avatar1Id ]);

        let avatar2Buff = await fs.readFile(path.join(__dirname, '/resources/avatar-2.png'));
        let avatar2Result = await db.query('INSERT INTO "resources" ("guild_id", "hash", "data") VALUES ($1, digest($2::bytea, \'sha256\'), $2::bytea) RETURNING "id"', [ server1Id, avatar2Buff ]);
        let avatar2Id = avatar2Result.rows[0].id;
        await db.query('INSERT INTO "members" ("guild_id", "public_key", "display_name", "avatar_resource_id") VALUES ($1, $2, $3, $4)', [ server1Id, 'dummy public key 2', 'Danbot', avatar2Id ]);

        let avatar3Buff = await fs.readFile(path.join(__dirname, '/resources/avatar-3.png'));
        let avatar3Result = await db.query('INSERT INTO "resources" ("guild_id", "hash", "data") VALUES ($1, digest($2::bytea, \'sha256\'), $2::bytea) RETURNING "id"', [ server1Id, avatar3Buff ]);
        let avatar3Id = avatar3Result.rows[0].id;
        await db.query('INSERT INTO "members" ("guild_id", "public_key", "display_name", "avatar_resource_id") VALUES ($1, $2, $3, $4)', [ server1Id, 'dummy public key 3', 'gamer321', avatar3Id ]);

        // An admin role
        await db.query('INSERT INTO roles (guild_id, name, color) VALUES ($1, \'admin\', \'#ff0000\')', [ server1Id ]);

        // A lot of dummy members (25) with the same avatar
        // let avatarDefaultBuff = await fs.readFile('./avatar-default.png');
        // let avatarDefaultResult = await db.query('INSERT INTO "resources" ("guild_id", "hash", "data") VALUES ($1, digest($2::bytea, \'sha256\'), $2::bytea) RETURNING "id"', [ server1Id, avatarDefaultBuff ]);
        // let avatarDefaultId = avatarDefaultResult.rows[0].id;
        // for (let i = 0; i < 25; ++i) {
        //     await db.query('INSERT INTO "members" ("guild_id", "public_key", "display_name", "avatar_resource_id") VALUES ($1, $2, $3, $4)', [ server1Id, 'dummy default public key ' + i, 'Dummy Member #' + i, avatarDefaultId ]);
        // }


        let server2Result = await db.query('INSERT INTO "guilds" ("id") VALUES (DEFAULT) RETURNING "id"');
        let server2Id = server2Result.rows[0].id;
        let icon2Result = await db.query('INSERT INTO "resources" ("guild_id", "hash", "data") VALUES ($1, digest($2::bytea, \'sha256\'), $2::bytea) RETURNING "id"', [ server2Id, icon2Buff ]);
        let icon2ResourceId = icon2Result.rows[0].id;
        await db.query('INSERT INTO "guilds_meta" ("id", "name", "icon_resource_id") VALUES ($1, $2, $3)', [ server2Id, 'Literally Heaven', icon2ResourceId ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server2Id, 1, 'general', 'The Ghost of Christmas Past.' ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server2Id, 2, 'art', 'Green is not a creative color.' ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server2Id, 3, 'quote-wall', 'Like a slowly updating history book.' ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server2Id, 4, 'tbd', 'This channel is to be determined.' ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server2Id, 5, 'robbies-corner', 'The signed original.' ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server2Id, 6, 'zanes-wing', 'Still Literally, Zane the Man.' ]);
        await db.query('INSERT INTO "channels" ("guild_id", "index", "name", "flavor_text") VALUES ($1, $2, $3, $4)', [ server2Id, 7, 'the-voiceless', 'For voiceless people who can\'t use or don\'t have a mic.' ]);

        await db.query('COMMIT');

        LOG.info(`server 1 initialized as g#${server1Id}`);
        LOG.info(`server 2 initialized as g#${server2Id}`);
    } catch (e) {
        await db.query('ROLLBACK');
        LOG.error('error setting up test database', e);
    }
    await db.end();
})()
;