#!/bin/env zx
import fetch from "node-fetch"
import fs from "fs"
import { exit } from "process"

const targetNumberOfCores = 1

const spotPrice = JSON.parse(fs.readFileSync("spot-pricing.json", "utf-8"))

const advisorData = await (await fetch("https://spot-bid-advisor.s3.amazonaws.com/spot-advisor-data.json")).json()

const additionalInstanceData = JSON.parse(fs.readFileSync("instance-types.json", "utf-8"))

// Find all instances with (or dividing) the target number of cores with an eviction rate of less than 5%
// Sort by price
// Output top 40

const burstableBaselines = {
    "t2.nano": 0.05,
    "t2.micro": 0.10,
    "t2.small": 0.20,
    "t2.medium": 0.20,
    "t2.large": 0.30,
    "t2.xlarge": 0.225,
    "t2.2xlarge": 0.17,
    "t3.nano": 0.05,
    "t3.micro": 0.10,
    "t3.small": 0.20,
    "t3.medium": 0.20,
    "t3.large": 0.30,
    "t3.xlarge": 0.40,
    "t3.2xlarge": 0.40,
    "t3a.nano": 0.05,
    "t3a.micro": 0.10,
    "t3a.small": 0.20,
    "t3a.medium": 0.20,
    "t3a.large": 0.30,
    "t3a.xlarge": 0.40,
    "t3a.2xlarge": 0.40,
    "t4g.nano": 0.05,
    "t4g.micro": 0.10,
    "t4g.small": 0.20,
    "t4g.medium": 0.20,
    "t4g.large": 0.30,
    "t4g.xlarge": 0.40,
    "t4g.2xlarge": 0.40
}

const performanceData = {
    "x8g.large": 59997,
    "x2iezn.12xlarge": 1000208.377,
    "m6a.12xlarge": 1009410.651,
    "c6a.12xlarge": 1014155.926,
    "m5zn.metal": 1015228.426,
    "m8gb.8xlarge": 1015873.016,
    "c8g.8xlarge": 1024081.927,
    "i7i.12xlarge": 1053401.609,
    "g6.12xlarge": 1056861.342,
    "r7i.12xlarge": 1058395.502,
    "c7a.8xlarge": 1061007.958,
    "c6in.16xlarge": 1061183.883,
    "g6e.12xlarge": 1061946.903,
    "r6a.12xlarge": 1064183.572,
    "m7i.12xlarge": 1068011.57,
    "m6i.16xlarge": 1069742.175,
    "vt1.24xlarge": 1069796.813,
    "c6i.16xlarge": 1074862.493,
    "r7a.8xlarge": 1076112.543,
    "r6i.16xlarge": 1080077.631,
    "x2iedn.16xlarge": 1082910.321,
    "m7a.8xlarge": 1087079.606,
    "m6in.16xlarge": 1090336.045,
    "x2idn.16xlarge": 1098335.336,
    "m6id.16xlarge": 1098570.999,
    "m6idn.16xlarge": 1101738.681,
    "i4i.16xlarge": 1102497.847,
    "h1.16xlarge": 1104495.642,
    "x1e.16xlarge": 1105974.856,
    "c7i-flex.12xlarge": 1109399.076,
    "m8i.12xlarge": 1109527.295,
    "m8i-flex.12xlarge": 1114464.825,
    "c7i.12xlarge": 1114637.356,
    "m4.16xlarge": 1116343.973,
    "r8idb.12xlarge": 1120012.445,
    "r4.16xlarge": 1122216.377,
    "i7ie.12xlarge": 1129456.057,
    "m8ine.12xlarge": 1130742.049,
    "c8i.12xlarge": 1138114.997,
    "c5.18xlarge": 1142358.494,
    "x1.16xlarge": 1144389.808,
    "r8ib.12xlarge": 1145767.027,
    "r8idn.12xlarge": 1148691.768,
    "m8idb.12xlarge": 1153938.617,
    "m8idn.12xlarge": 1156487.17,
    "m8ib.12xlarge": 1159607.022,
    "c5n.18xlarge": 1160775.462,
    "c5d.18xlarge": 1164577.436,
    "r8i.12xlarge": 1169590.643,
    "m8in.12xlarge": 1169828.181,
    "c8i-flex.12xlarge": 1172686.184,
    "r5a.24xlarge": 1175174.44,
    "c8ine.12xlarge": 1178203.24,
    "r7g.12xlarge": 1184600.197,
    "r8i-flex.12xlarge": 1195169.523,
    "x8aedz.6xlarge": 1196085.538,
    "x8i.12xlarge": 1197604.79,
    "c5a.16xlarge": 1197828.935,
    "g7e.12xlarge": 1199200.533,
    "c5n.metal": 1201201.201,
    "r8in.12xlarge": 1205525.324,
    "m5a.24xlarge": 1205575.788,
    "c7gd.12xlarge": 1211280.045,
    "r6g.metal": 1222229.295,
    "r7gd.12xlarge": 1239589.386,
    "c6gd.16xlarge": 1243764.98,
    "m7g.12xlarge": 1244732.577,
    "r6gd.16xlarge": 1245620.864,
    "g5.16xlarge": 1246915.184,
    "m7gd.12xlarge": 1247077.163,
    "c6gd.metal": 1247239.184,
    "m5ad.24xlarge": 1248699.272,
    "g4ad.16xlarge": 1251099.599,
    "c7g.12xlarge": 1252037.822,
    "im4gn.16xlarge": 1252527.888,
    "r5ad.24xlarge": 1255066.022,
    "c6g.metal": 1258768.767,
    "g5g.metal": 1262202.939,
    "x2gd.metal": 1264822.134,
    "x2gd.16xlarge": 1269505.422,
    "c6g.16xlarge": 1271018.138,
    "i4g.16xlarge": 1271186.441,
    "c6gn.16xlarge": 1273125.124,
    "r6g.16xlarge": 1273547.36,
    "m6g.16xlarge": 1277445.11,
    "m6gd.metal": 1278891.627,
    "m6g.metal": 1280256.051,
    "g5g.16xlarge": 1283422.46,
    "g4dn.metal": 1287380.984,
    "m6gd.16xlarge": 1289109.709,
    "dl2q.24xlarge": 1295313.484,
    "c7i-flex.16xlarge": 1296684.001,
    "c8a.8xlarge": 1300372.503,
    "r6gd.metal": 1302489.655,
    "r5d.metal": 1303816.379,
    "r5.metal": 1310893.387,
    "m5.metal": 1318409.668,
    "i3en.metal": 1319950.502,
    "r5n.metal": 1321767.865,
    "p3dn.24xlarge": 1323529.412,
    "m7i-flex.16xlarge": 1328489.881,
    "c6a.16xlarge": 1332500.521,
    "m7i.16xlarge": 1339566.036,
    "r5d.24xlarge": 1345951.63,
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    "r5.24xlarge": 1351398.909,
    "r5n.24xlarge": 1355214.399,
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    "i3en.24xlarge": 1364605.544,
    "c8g.12xlarge": 1371722.512,
    "m5.24xlarge": 1374718.075,
    "m8gn.12xlarge": 1375161.152,
    "r6a.16xlarge": 1375456.695,
    "g6.16xlarge": 1380872.755,
    "m5d.24xlarge": 1386431.744,
    "m8a.8xlarge": 1391102.739,
    "c8gn.12xlarge": 1393020.387,
    "m8gb.12xlarge": 1395856.052,
    "i7i.16xlarge": 1403970.604,
    "i8ge.12xlarge": 1412491.724,
    "c7a.12xlarge": 1416207.71,
    "m6a.16xlarge": 1416948.027,
    "r8g.12xlarge": 1430913.698,
    "r7i.16xlarge": 1431874.114,
    "m8g.12xlarge": 1434548.715,
    "i8g.12xlarge": 1442199.354,
    "c8gb.12xlarge": 1444151.937,
    "c7i.16xlarge": 1461076.022,
    "m8i-flex.16xlarge": 1480967.257,
    "m8idn.16xlarge": 1497251.14,
    "m8in.16xlarge": 1499238.668,
    "x8g.12xlarge": 1502464.982,
    "r8idb.16xlarge": 1518206.618,
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    "r8a.8xlarge": 1530501.326,
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    "m8idb.16xlarge": 1531405.783,
    "c7g.metal": 1533852.606,
    "inf1.24xlarge": 1539880.499,
    "m7a.12xlarge": 1543408.36,
    "r8ib.16xlarge": 1544960.772,
    "r8idn.16xlarge": 1545085.1,
    "c5d.24xlarge": 1546080.444,
    "p4de.24xlarge": 1557493.409,
    "m6in.24xlarge": 1559327.54,
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    "m8ib.16xlarge": 1576095.879,
    "hpc7g.16xlarge": 1576743.04,
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    "r8in.16xlarge": 1583766.394,
    "r7gd.16xlarge": 1587695.361,
    "m6i.24xlarge": 1587761.009,
    "dl1.24xlarge": 1593162.677,
    "p4d.24xlarge": 1593360.996,
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    "g5.24xlarge": 1613987.895,
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    "m8idn.8xlarge": 767294.089,
    "r8idn.8xlarge": 768922.707,
    "m6g.xlarge": 77002.053,
    "im4gn.xlarge": 77120.823,
    "t4g.xlarge": 77489.345,
    "g5g.xlarge": 77504.36,
    "m8a.4xlarge": 771022.408,
    "c8i-flex.8xlarge": 771921.361,
    "hpc7a.12xlarge": 777957.861,
    "m8ib.8xlarge": 778967.868,
    "m8idb.8xlarge": 779505.501,
    "x2gd.xlarge": 78390.384,
    "c6gd.xlarge": 78426.247,
    "i4g.xlarge": 78498.07,
    "m7i-flex.xlarge": 78697.555,
    "c5d.12xlarge": 786691.797,
    "c5.12xlarge": 789311.408,
    "c6gn.xlarge": 79166.117,
    "r6a.xlarge": 79168.728,
    "is4gen.xlarge": 79207.921,
    "g6e.xlarge": 79400.526,
    "r6g.xlarge": 79507.056,
    "c6g.xlarge": 79512.324,
    "inf2.xlarge": 79657.473,
    "c6in.12xlarge": 795228.628,
    "r8in.8xlarge": 795722.989,
    "c8ine.8xlarge": 796812.749,
    "m8ine.8xlarge": 798801.797,
    "m8idb.96xlarge": 8017119.891,
    "u7i-6tb.112xlarge": 8291178.285,
    "r8idn.96xlarge": 8432610.486,
    "u7i-8tb.112xlarge": 8540382.538,
    "m8in.96xlarge": 8686308.884,
    "m8i.96xlarge": 8717366.629,
    "c8i.96xlarge": 8808854.734,
    "r8ib.96xlarge": 8830631.252,
    "m8ib.96xlarge": 8852515.705,
    "r8in.96xlarge": 8889574.813,
    "m8idn.96xlarge": 8919860.627,
    "r8i.96xlarge": 8925043.579,
    "r6gd.xlarge": 80488.296,
    "m6a.xlarge": 80527.455,
    "i7ie.xlarge": 80955.272,
    "i7i.8xlarge": 804255.854,
    "c7g.8xlarge": 807876.799,
    "m6i.12xlarge": 808352.981,
    "c7i-flex.xlarge": 81045.487,
    "m5a.16xlarge": 810673.873,
    "m7g.8xlarge": 815390.496,
    "m7gd.8xlarge": 817160.368,
    "r7gd.8xlarge": 817891.374,
    "i4i.12xlarge": 817926.216,
    "m5ad.16xlarge": 818518.992,
    "m6in.12xlarge": 818658.594,
    "hpc7g.8xlarge": 819304.871,
    "m6idn.12xlarge": 819812.126,
    "c7gd.8xlarge": 819882.142,
    "m5zn.xlarge": 82402.019,
    "m6id.12xlarge": 820442.697,
    "r5ad.16xlarge": 824529.76,
    "r5a.16xlarge": 825593.395,
    "g6.xlarge": 83813.515,
    "r7g.8xlarge": 833767.587,
    "r6i.12xlarge": 845256.438,
    "c6i.12xlarge": 847121.112,
    "g7e.8xlarge": 852916.352,
    "i3.16xlarge": 853447.126,
    "c6a.xlarge": 86157.381,
    "m8i.xlarge": 88967.972,
    "m7i.xlarge": 89171.265,
    "c5a.12xlarge": 891199.406,
    "g5.12xlarge": 895146.627,
    "r8idb.96xlarge": 9041676.478,
    "c8i.metal-96xl": 9151572.927,
    "m8i.metal-96xl": 9221902.017,
    "r8i.metal-96xl": 9497310.332,
    "r8a.large": 90096.854,
    "r8idb.xlarge": 90764.693,
    "z1d.12xlarge": 902340.446,
    "r5n.16xlarge": 911940.724,
    "g4dn.16xlarge": 914808.462,
    "m5d.16xlarge": 915070.06,
    "r5d.16xlarge": 919188.051,
    "m8idn.xlarge": 92219.02,
    "c8ine.xlarge": 92823.577,
    "c6g.12xlarge": 920774.986,
    "r6g.12xlarge": 926402.47,
    "c6gd.12xlarge": 928373.412,
    "r5.16xlarge": 928657.799,
    "m8g.8xlarge": 928815.035,
    "r8idn.xlarge": 93321.668,
    "m8ib.xlarge": 93611.046,
    "r6gd.12xlarge": 931556.476,
    "m6g.12xlarge": 932038.835,
    "m5zn.12xlarge": 932355.655,
    "x8g.8xlarge": 932468.857,
    "c6gn.12xlarge": 932823.735,
    "m6gd.12xlarge": 933005.054,
    "m5.16xlarge": 936265.665,
    "c8a.large": 94265.515,
    "c8i.xlarge": 94311.818,
    "m8a.large": 94347.714,
    "c8i-flex.xlarge": 95085.28,
    "a1.2xlarge": 95158.796,
    "r7i.xlarge": 95166.343,
    "f2.12xlarge": 951908.775,
    "x2gd.12xlarge": 952695.997,
    "c1.xlarge": 96298.525,
    "r7gd.xlarge": 96354.585,
    "r8g.8xlarge": 961033.111,
    "z1d.metal": 962213.09,
    "m7i-flex.12xlarge": 968620.724,
    "r8ib.xlarge": 97032.425,
    "m8in.xlarge": 97205.346,
    "r8in.xlarge": 97292.038,
    "m8ine.xlarge": 97331.495,
    "c7i.xlarge": 97652.277,
    "m8idb.xlarge": 97719.87,
    "i8g.8xlarge": 972348.83,
    "c8gn.8xlarge": 975386.726,
    "x2iezn.metal": 978343.949,
    "x8i.xlarge": 98051.232,
    "r8i.xlarge": 98540.371,
    "r8i-flex.xlarge": 98871.22,
    "c8gb.8xlarge": 983858.57,
    "m8i-flex.xlarge": 99345.972,
    "i7i.xlarge": 99481.865,
    "c7g.xlarge": 99781.727,
    "m8gn.8xlarge": 998050.682,
}

let acceptableInstances = []

for (const type of Object.keys(advisorData.instance_types)) {
    if (!["a", "c", "d", "h", "i", "m", "r", "z", /*"t"*/].some(prefix => {
        return type.match(new RegExp(`^${prefix}[0-9]+`))
    })) {
        continue
    }
    if (!type.startsWith("m7a")) {
        //continue
    }
    const instance = advisorData.instance_types[type]
    const cores = instance.cores
    if (targetNumberOfCores % cores !== 0) {
        continue
    }

    for (const region of Object.keys(advisorData.spot_advisor)) {
        if (!region.startsWith("us-west-2")) {
            //continue
        }
        const regionData = advisorData.spot_advisor[region].Linux
        const instanceData = regionData[type]
        if (!instanceData) {
            // Skip instances not available in this region
            continue
        }
        const additionalData = additionalInstanceData[type + "-" + region]
        if (!additionalData) {
            // Skip instances not available in the additional instance data
            console.log(`Instance ${type + "-" + region} not available in additional instance data`)
            continue
        }
        if (!additionalData.ProcessorInfo.SupportedArchitectures.includes("x86_64")) {
            // Skip non-x86_64 instances
            console.log(`Instance ${type + "-" + region} is not x86_64`)
            continue
        }

        /*
        { "index": 0, "label": "<5%", "dots": 0, "max": 5 },
        { "index": 1, "label": "5-10%", "dots": 1, "max": 11 },
        { "index": 2, "label": "10-15%", "dots": 2, "max": 16 },
        { "index": 3, "label": "15-20%", "dots": 3, "max": 22 },
        { "index": 4, "label": ">20%", "dots": 4, "max": 100 }
         */
        if (instanceData.r > 2) {
            // Skip instances with eviction rate > 10%
            console.log(`Instance ${type} (${region}) has eviction rate > 10%`)
            continue
        }

        const regionPriceData = spotPrice.filter(r => r.InstanceType === type && r.AvailabilityZone.startsWith(region))
        if (regionPriceData.length === 0) {
            // Skip regions not available in the spot price data
            console.log(`Region ${region} not available in spot price data`)
            continue
        }
        const pList = regionPriceData.map(r => r.SpotPrice).map(parseFloat).filter(i => !isNaN(i))
        let p = pList.reduce((a, b) => a + b, 0) / pList.length


        /*if (type.startsWith("t")) {
            // For burstable instances, use the baseline performance
            const baseline = burstableBaselines[type]
            if (!baseline) {
                console.log(`Instance ${type} has no baseline performance data`)
                continue
            }
            // Add 5c/h for non-baseline performance
            const rest = 1 - baseline
            const additionalCost = rest * 0.05
            p += additionalCost
        }*/

        let cpuSpeed = performanceData[type] ?? 10000
        if (cpuSpeed === 10000) {
            // Skip instances with no performance data
            console.log(`Instance ${type} has no performance data`)
            //continue
        }
        if (type.startsWith("t")) {
            const baseline = burstableBaselines[type]
            if (!baseline) {
                console.log(`Instance ${type} has no baseline performance data`)
                continue
            }
            cpuSpeed = cpuSpeed * baseline
        }
        const pricePerCore = p / cores
        const pricePerPerformance = p / (cpuSpeed / 10000)

        acceptableInstances.push({
            type,
            region,
            cores,
            evictionRate: instanceData.r,
            price: p,
            pricePerCore,
            pricePerPerformance,
        })
    }
}

console.log("Found", acceptableInstances.length, "acceptable instances")

acceptableInstances = acceptableInstances.sort((a, b) => a.pricePerPerformance - b.pricePerPerformance)

acceptableInstances.slice(0, 40).forEach(instance => {
    console.log(`${instance.type}\t(${instance.cores} cores) in\t${instance.region}: $${instance.price.toFixed(7)}\t(eviction rate: ${instance.evictionRate})\tprice per core: $${instance.pricePerCore.toFixed(7)}\tprice per performance: $${instance.pricePerPerformance.toFixed(7)}`)
})

const cheapestInstance = acceptableInstances[0]
console.log("Cheapest instance type:", cheapestInstance)

const targetNumberOfInstances = Math.ceil(targetNumberOfCores / cheapestInstance.cores)
const targetRegion = cheapestInstance.region

console.log(`Requesting ${targetNumberOfInstances} instances of type ${cheapestInstance.type} in region ${cheapestInstance.region} at a total cost of ${cheapestInstance.price * targetNumberOfInstances}$/h`)

//exit(0)

let vpc = JSON.parse(await $`aws ec2 describe-vpcs --filters Name=isDefault,Values=true --region ${targetRegion}`).Vpcs[0]

if (!vpc) {
    console.log("No default VPC found, creating one")
    await $`aws ec2 create-default-vpc --region ${targetRegion}`
    vpc = JSON.parse(await $`aws ec2 describe-vpcs --filters Name=isDefault,Values=true --region ${targetRegion}`).Vpcs[0]
}

if (!vpc.Ipv6CidrBlockAssociationSet) {
    console.log("No IPv6 CIDR block found, associating one")
    await $`aws ec2 associate-vpc-cidr-block --vpc-id ${vpc.VpcId} --ipv6-cidr-block-network-border-group ${targetRegion} --amazon-provided-ipv6-cidr-block --region ${targetRegion}`
    vpc = JSON.parse(await $`aws ec2 describe-vpcs --filters Name=isDefault,Values=true --region ${targetRegion}`).Vpcs[0]
}

let ipv6CidrBlock = vpc.Ipv6CidrBlockAssociationSet.filter(c => c.Ipv6CidrBlockState.State == "associated")[0].Ipv6CidrBlock

let subnets = JSON.parse(await $`aws ec2 describe-subnets --filters Name=vpc-id,Values=${vpc.VpcId} --region ${targetRegion}`).Subnets

for (const subnet of subnets) {
    if (subnet.Ipv6CidrBlockAssociationSet.length == 0) {
        const parts = ipv6CidrBlock.split("/")[0].split(":")
        let prefix = parts.slice(0, 3).join(":") + ":"
        let lastPart = parts[3].slice(0, 2)
        while (lastPart.length < 3) {
            lastPart = lastPart + "0"
        }
        prefix += lastPart
        let i = 0
        while (subnets.some(s => s.Ipv6CidrBlockAssociationSet.some(c => c.Ipv6CidrBlock.startsWith(`${prefix}${i}`)))) {
            i++
        }
        const cidrBlock = `${prefix}${i}::/64`


        console.log(`No IPv6 CIDR block found for subnet ${subnet.SubnetId}, associating one`)
        await $`aws ec2 associate-subnet-cidr-block --subnet-id ${subnet.SubnetId} --ipv6-cidr-block ${cidrBlock} --region ${targetRegion}`
        subnet.Ipv6CidrBlockAssociationSet = JSON.parse(await $`aws ec2 describe-subnets --filters Name=subnet-id,Values=${subnet.SubnetId} --region ${targetRegion}`).Subnets[0].Ipv6CidrBlockAssociationSet
    }
}

let securityGroup = JSON.parse(await $`aws ec2 describe-security-groups --filters Name=group-name,Values=default --region ${targetRegion}`).SecurityGroups[0]

if (!securityGroup.IpPermissions.some(p => p.UserIdGroupPairs.length == 0)) {
    console.log("Allowing all inbound traffic to default security group")
    if (securityGroup.IpPermissions.length > 0) {
        for (const p of securityGroup.IpPermissions.filter(p => p.UserIdGroupPairs.length > 0)) {
            await $`aws ec2 revoke-security-group-ingress --group-id ${securityGroup.GroupId} --ip-permissions IpProtocol=-1,UserIdGroupPairs=[{GroupId=${p.UserIdGroupPairs[0].GroupId}}] --region ${targetRegion}`
        }
    }
    await $`aws ec2 authorize-security-group-ingress --group-id ${securityGroup.GroupId} --ip-permissions IpProtocol=-1,FromPort=-1,ToPort=-1,Ipv6Ranges=[{CidrIpv6=::/0}] --region ${targetRegion}`
}

let internetGateways = JSON.parse(await $`aws ec2 describe-internet-gateways --region ${targetRegion}`).InternetGateways

if (internetGateways.length == 0) {
    console.log("No internet gateway found, creating one")
    await $`aws ec2 create-internet-gateway --region ${targetRegion}`
    internetGateways = JSON.parse(await $`aws ec2 describe-internet-gateways --region ${targetRegion}`).InternetGateways
}
if (!internetGateways.some(g => g.Attachments.some(a => a.VpcId == vpc.VpcId))) {
    console.log("Attaching internet gateway to VPC")
    await $`aws ec2 attach-internet-gateway --internet-gateway-id ${internetGateways[0].InternetGatewayId} --vpc-id ${vpc.VpcId} --region ${targetRegion}`
    internetGateways = JSON.parse(await $`aws ec2 describe-internet-gateways --region ${targetRegion}`).InternetGateways
}

let internetGateway = internetGateways.filter(g => g.Attachments.some(a => a.VpcId == vpc.VpcId))[0]

let routeTable = JSON.parse(await $`aws ec2 describe-route-tables --filters Name=vpc-id,Values=${vpc.VpcId} --region ${targetRegion}`).RouteTables[0]

if (routeTable.Routes.some(r => r.DestinationIpv6CidrBlock == "::/0" && r.GatewayId !== internetGateway.InternetGatewayId)) {
    console.log("Removing incorrect route to internet gateway")
    await $`aws ec2 delete-route --route-table-id ${routeTable.RouteTableId} --destination-ipv6-cidr-block ::/0 --region ${targetRegion}`
    routeTable = JSON.parse(await $`aws ec2 describe-route-tables --filters Name=vpc-id,Values=${vpc.VpcId} --region ${targetRegion}`).RouteTables[0]
}

if (!routeTable.Routes.some(r => r.DestinationIpv6CidrBlock == "::/0")) {
    console.log("Adding route to internet gateway")
    await $`aws ec2 create-route --route-table-id ${routeTable.RouteTableId} --destination-ipv6-cidr-block ::/0 --gateway-id ${internetGateway.InternetGatewayId} --region ${targetRegion}`
    routeTable = JSON.parse(await $`aws ec2 describe-route-tables --filters Name=vpc-id,Values=${vpc.VpcId} --region ${targetRegion}`).RouteTables[0]
}

const publicKey = "ssh-rsa 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 jonas.peeters@icloud.com"

let keyPairs = JSON.parse(await $`aws ec2 describe-key-pairs --filters Name=key-name,Values=enterprise-new --region ${targetRegion}`).KeyPairs
if (keyPairs.length == 0) {
    console.log("No key pair found, importing...")
    await $`aws ec2 import-key-pair --key-name enterprise-new --public-key-material ${publicKey} --region ${targetRegion}`
}

const image = JSON.parse(await $`aws ec2 describe-images --owners amazon --filters "Name=name,Values=ubuntu-minimal/images/hvm-ssd-gp3/ubuntu-noble-24.04-amd64-minimal-20260604" --region ${targetRegion}`).Images[0]

const dateFrom = new Date(Math.ceil(new Date().getTime() / 1000) * 1000)
const dateUntil = new Date(Math.ceil(new Date(dateFrom.getTime() + 10 * 60 * 60 * 1000).getTime() / 1000) * 1000)

const setupScript = fs.readFileSync("setup.sh", "utf8")
const setupScriptBase64 = Buffer.from(setupScript).toString("base64")


/**
 * @type {import("@aws-sdk/client-ec2").LaunchTemplateVersion}
 */
const launchTemplate = {
    LaunchTemplateId: "",
    VersionDescription: "1",
    LaunchTemplateData: {
        ImageId: image.ImageId,
        BlockDeviceMappings: [
            {
                DeviceName: "/dev/sda1",
                Ebs: {
                    DeleteOnTermination: true,
                    SnapshotId: image.BlockDeviceMappings.filter(b => !!b.Ebs)[0].Ebs.SnapshotId,
                    VolumeSize: 8,
                    VolumeType: "gp3",
                    Encrypted: false
                }
            }
        ],
        KeyName: "enterprise-new",
        UserData: setupScriptBase64,
        InstanceType: cheapestInstance.type,
        InstanceInitiatedShutdownBehavior: "terminate",
        NetworkInterfaces: [
            {
                DeviceIndex: 0,
                DeleteOnTermination: true,
                Groups: [],
                AssociatePublicIpAddress: false,
                Ipv6AddressCount: 1,
            }
        ],
    }
}

let existingLaunchTemplates = JSON.parse(await $`aws ec2 describe-launch-templates --filters Name=launch-template-name,Values=launch-template --region ${targetRegion}`).LaunchTemplates

if (!existingLaunchTemplates.length == 0) {
    console.log("Launch template already exists, deleting...")
    await $`aws ec2 delete-launch-template --launch-template-id ${existingLaunchTemplates[0].LaunchTemplateId} --region ${targetRegion}`
    existingLaunchTemplates = []
}

await $`aws ec2 create-launch-template --launch-template-name launch-template --version-description 1 --launch-template-data ${JSON.stringify(launchTemplate.LaunchTemplateData)} --region ${targetRegion}`

existingLaunchTemplates = JSON.parse(await $`aws ec2 describe-launch-templates --filters Name=launch-template-name,Values=launch-template --region ${targetRegion}`).LaunchTemplates

//exit(0)

/**
 * @type {import("@aws-sdk/client-ec2").CreateFleetRequest}
 */
const fleet = {
    TargetCapacitySpecification: {
        TotalTargetCapacity: targetNumberOfInstances,
        DefaultTargetCapacityType: "spot"
    },
    SpotOptions: {
        AllocationStrategy: "priceCapacityOptimized",
        MaxTotalPrice: "1.00",
    },
    ValidFrom: dateFrom.toISOString(),
    ValidUntil: dateUntil.toISOString(),
    Type: "request",
    TerminateInstancesWithExpiration: true,
    LaunchTemplateConfigs: subnets.map(s => {
        /**
         * @type {import("@aws-sdk/client-ec2").FleetLaunchTemplateConfigRequest}
         */
        const template = {
            LaunchTemplateSpecification: {
                LaunchTemplateId: existingLaunchTemplates[0].LaunchTemplateId,
                Version: "1",
            },
            Overrides: [{
                SubnetId: s.SubnetId,
            }]
        }
        return template
    }),
}

console.log("Fleet configuration:", fleet)
//exit(0)

console.log("Requesting spot fleet...")
await $`aws ec2 create-fleet --cli-input-json ${JSON.stringify(fleet)} --region ${targetRegion}`