import { expect, test } from 'vitest'

import { encodeEventTopics } from './encodeEventTopics.js'

test('Transfer()', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [],
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
		}),
	).toEqual([
		'0x406dade31f7ae4b5dbc276258c28dde5ae6d5c2773c5745802c493a2360e55e0',
	])
	expect(
		encodeEventTopics({
			abi: [
				{
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
		}),
	).toEqual([
		'0x406dade31f7ae4b5dbc276258c28dde5ae6d5c2773c5745802c493a2360e55e0',
	])
})

test('no args: Transfer(address,address,uint256)', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							name: 'from',
							type: 'address',
						},
						{
							indexed: true,
							name: 'to',
							type: 'address',
						},
						{
							indexed: false,
							name: 'tokenId',
							type: 'uint256',
						},
					],
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
		}),
	).toEqual([
		'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
	])

	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							name: 'from',
							type: 'address',
						},
						{
							indexed: true,
							name: 'to',
							type: 'address',
						},
						{
							indexed: false,
							name: 'tokenId',
							type: 'uint256',
						},
					],
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
			args: {},
		}),
	).toEqual([
		'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
	])

	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							type: 'address',
						},
						{
							indexed: true,
							type: 'address',
						},
						{
							indexed: false,
							type: 'uint256',
						},
					],
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
			args: [],
		}),
	).toEqual([
		'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
	])
})

test('named args: Transfer(address,address,uint256)', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							name: 'from',
							type: 'address',
						},
						{
							indexed: true,
							name: 'to',
							type: 'address',
						},
						{
							indexed: false,
							name: 'tokenId',
							type: 'uint256',
						},
					],
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
			args: {
				from: null,
				to: '0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC',
			},
		}),
	).toEqual([
		'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
		null,
		'0x000000000000000000000000a5cc3c03994db5b0d9a5eedd10cabab0813678ac',
	])
})

test('named args: Transfer(address,address,uint256)', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							name: 'from',
							type: 'address',
						},
						{
							indexed: true,
							name: 'to',
							type: 'address',
						},
						{
							indexed: false,
							name: 'tokenId',
							type: 'uint256',
						},
					],
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
			args: {
				from: null,
				to: [
					'0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC',
					'0xc961145a54C96E3aE9bAA048c4F4D6b04C13916b',
				],
			},
		}),
	).toEqual([
		'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
		null,
		[
			'0x000000000000000000000000a5cc3c03994db5b0d9a5eedd10cabab0813678ac',
			'0x000000000000000000000000c961145a54c96e3ae9baa048c4f4d6b04c13916b',
		],
	])
})

test('unnamed args: Transfer(address,address,uint256)', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							type: 'address',
						},
						{
							indexed: true,
							type: 'address',
						},
						{
							indexed: false,
							type: 'uint256',
						},
					],
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
			args: [null, '0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC'],
		}),
	).toEqual([
		'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
		null,
		'0x000000000000000000000000a5cc3c03994db5b0d9a5eedd10cabab0813678ac',
	])
})

test('unnamed args: Transfer(address,address,uint256)', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							type: 'address',
						},
						{
							indexed: true,
							type: 'address',
						},
						{
							indexed: false,
							type: 'uint256',
						},
					],
					name: 'Transfer',
					type: 'event',
				},
			],
			eventName: 'Transfer',
			args: [
				null,
				[
					'0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC',
					'0xc961145a54C96E3aE9bAA048c4F4D6b04C13916b',
				],
			],
		}),
	).toEqual([
		'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
		null,
		[
			'0x000000000000000000000000a5cc3c03994db5b0d9a5eedd10cabab0813678ac',
			'0x000000000000000000000000c961145a54c96e3ae9baa048c4f4d6b04c13916b',
		],
	])
})

test('Foo(string)', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							name: 'message',
							type: 'string',
						},
					],
					name: 'Foo',
					type: 'event',
				},
			],
			eventName: 'Foo',
			args: {
				message: 'hello',
			},
		}),
	).toEqual([
		'0x9f0b7f1630bdb7d474466e2dfef0fb9dff65f7a50eec83935b68f77d0808f08a',
		'0x1c8aff950685c2ed4bc3174f3472287b56d9517b9c948127319a09a7a36deac8',
	])
})

test('Foo((uint,string))', () => {
	expect(() =>
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							components: [
								{
									name: 'a',
									type: 'uint256',
								},
								{
									name: 'b',
									type: 'string',
								},
							],
							indexed: true,
							name: 'x',
							type: 'tuple',
						},
					],
					name: 'Bar',
					type: 'event',
				},
			],
			eventName: 'Bar',
			args: {
				x: {
					a: 1n,
					b: 'hello',
				},
			},
		}),
	).toThrowErrorMatchingInlineSnapshot(`
    "Filter type \\"tuple\\" is not supported.

    Version: viem@1.0.2"
  `)
})

test('leading non-indexed args: Bar(string,string)', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: false,
							name: 'title',
							type: 'string',
						},
						{
							indexed: true,
							name: 'message',
							type: 'string',
						},
					],
					name: 'Bar',
					type: 'event',
				},
			],
			eventName: 'Bar',
			args: {
				message: 'hello',
			},
		}),
	).toEqual([
		'0xc4a51b4017224dc1cc4aff8acc6d8da6475dfcb9743bb821dc45c91454526cbd',
		'0x1c8aff950685c2ed4bc3174f3472287b56d9517b9c948127319a09a7a36deac8',
	])
})

test('inferred eventName', () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							name: 'from',
							type: 'address',
						},
						{
							indexed: true,
							name: 'to',
							type: 'address',
						},
						{
							indexed: false,
							name: 'tokenId',
							type: 'uint256',
						},
					],
					name: 'Transfer',
					type: 'event',
				},
			],
			args: {
				from: null,
				to: '0xa5cc3c03994DB5b0d9A5eEdD10CabaB0813678AC',
			},
		}),
	).toEqual([
		'0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
		null,
		'0x000000000000000000000000a5cc3c03994db5b0d9a5eedd10cabab0813678ac',
	])
})

test("errors: event doesn't exist", () => {
	expect(() =>
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							name: 'message',
							type: 'string',
						},
					],
					name: 'Foo',
					type: 'event',
				},
			],
			// @ts-expect-error
			eventName: 'Bar',
		}),
	).toThrowErrorMatchingInlineSnapshot(`
    "Event \\"Bar\\" not found on ABI.
    Make sure you are using the correct ABI and that the event exists on it.

    Docs: https://viem.sh/docs/contract/encodeEventTopics.html
    Version: viem@1.0.2"
  `)
})

test('errors: abi item not an event', () => {
	expect(() =>
		// @ts-expect-error
		encodeEventTopics({
			abi: [
				{
					inputs: [
						{
							indexed: true,
							name: 'message',
							type: 'string',
						},
					],
					name: 'Foo',
					type: 'function',
				},
			],
		}),
	).toThrowErrorMatchingInlineSnapshot(`
    "Event not found on ABI.
    Make sure you are using the correct ABI and that the event exists on it.

    Docs: https://viem.sh/docs/contract/encodeEventTopics.html
    Version: viem@1.0.2"
  `)
})

test("errors: event doesn't exist", () => {
	expect(
		encodeEventTopics({
			abi: [
				{
					inputs: undefined,
					name: 'Foo',
					type: 'event',
				},
			],
			eventName: 'Foo',
			args: {},
		}),
	).toMatchInlineSnapshot(`
    [
      "0xbfb4ebcfff8f360b39de1de85df1edc256d63337b743120bf6e2e2144b973d38",
    ]
  `)
})