var windv = document.getElementById('windc').getContext('2d');
var windkmh = document.getElementById('windkmh').getContext('2d');
var windms = document.getElementById('windms').getContext('2d');
var windknp = document.getElementById('windknp').getContext('2d');

var luchtdruk = document.getElementById('luchtdruk').getContext('2d');
var temperatuur = document.getElementById('temperatuur').getContext('2d');
var wolken = document.getElementById('bewolking').getContext('2d');
var mwolken = document.getElementById('mbewolking').getContext('2d');
var hwolken = document.getElementById('hbewolking').getContext('2d');
var neerslag = document.getElementById('neerslag').getContext('2d');
var straling = document.getElementById('straling').getContext('2d');
var zicht = document.getElementById('zicht').getContext('2d');
var radarverwachting = document.getElementById('radarverwachting').getContext('2d');

// $("#windr").html("test");
document.getElementById("windr").innerHTML="<tr><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/z.webp width=24px height=24px></td><td><img src=items/windpijlen/z.webp width=24px height=24px></td><td><img src=items/windpijlen/z.webp width=24px height=24px></td><td><img src=items/windpijlen/z.webp width=24px height=24px></td><td><img src=items/windpijlen/z.webp width=24px height=24px></td></tr>"; 

var gradient = windv.createLinearGradient(0, 0, 0, 400);
gradient.addColorStop(0, 'rgba(0,111,174,0.8)');
gradient.addColorStop(1, 'rgba(21,31,38,0.5)');


// Functie om min/max waarden te berekenen met 25% marge
function calculateYAxisRange(minValue, maxValue) {
    const range = maxValue - minValue;
    const margin = range * 0.25;
    
    return {
        min: Math.max(0, minValue - margin), // Nooit onder nul
        max: maxValue + margin
    };
}

function calculateYAxisRangeTemp(minValue, maxValue) {
    const range = maxValue - minValue;
    const margin = range * 0.25;    

    var minwaarde = Math.max(0, minValue - margin); // min volgt data, maar als min niet onder nul ligt, geen negatieve ruimte tonen onder grafiek
    if (minValue < -1) {
        minwaarde = minValue - margin;
    }
    return {
        min: minwaarde,
        max: maxValue + margin
    };
}

var radarChart = new Chart(radarverwachting, {
    type: 'bar',
    data: {
        labels: ,
        datasets: [{
            label: 'Radar neerslag',
            data: ,
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, ),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' mm';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' mm';
                    }
                }
            }
        }
    }
});

var windChart = new Chart(windv, {
    type: 'line',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'wind',
            data: [2,2,3,3,3,2,3,3,3,3,3,3,3,3,4,4,4,4,4,5,5,5,4,3,3,3],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 7),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' bft';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' bft';
                    }
                }
            }
        }
    }
});

var windknpChart = new Chart(windknp, {
    type: 'line',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'wind',
            data: [6,6,8,8,8,6,8,8,10,8,8,8,10,10,12,12,12,12,14,16,16,16,12,10,10,10],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 18),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' knp';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' knp';
                    }
                }
            }
        }
    }
});

var windkmhChart = new Chart(windkmh, {
    type: 'line',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'wind',
            data: [10.8,10.8,14.4,14.4,14.4,10.8,14.4,14.4,18,14.4,14.4,14.4,18,18,21.6,21.6,21.6,21.6,25.2,28.8,28.8,28.8,21.6,18,18,18],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 30.8),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' km/h';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' km/h';
                    }
                }
            }
        }
    }
});

var windmsChart = new Chart(windms, {
    type: 'line',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'wind',
            data: [3,3,4,4,4,3,4,4,5,4,4,4,5,5,6,6,6,6,7,8,8,8,6,5,5,5],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 10),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' m/s';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' m/s';
                    }
                }
            }
        }
    }
});

var luchtdChart = new Chart(luchtdruk, {
    type: 'line',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'luchtdruk',
            data: [1024.9,1024.9,1025.1,1025.2,1025.1,1025,1024.4,1023.8,1023.1,1022.6,1022.2,1021.7,1021,1020.2,1019.3,1018.4,1017.6,1016.5,1015.5,1014.2,1012.8,1011.6,1010.8,1010.3,1009.9,1009.5],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(1005, 1030),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' hPa';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' hPa';
                    }
                }
            }
        }
    }
});

var tempChart = new Chart(temperatuur, {
    type: 'line',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'temperatuur',
            data: [-7,-6,-6,-6,-5,-4,-3,-2,-2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,0,0,0,1,1,1,1],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRangeTemp(-8, 3),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' ºC';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' ºC';
                    }
                }
            }
        }
    }
});

var wolkenChart = new Chart(wolken, {
    type: 'bar',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'wolken',
            data: [0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,11,3,29,100,100,100,100,100,100,100,100],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var mwolkenChart = new Chart(mwolken, {
    type: 'bar',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'wolken',
            data: [0,0,0,0,0,0,0,0,0,1,12,14,3,21,87,100,100,100,100,100,100,4,100,100,25,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var hwolkenChart = new Chart(hwolken, {
    type: 'bar',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'wolken',
            data: [39,51,96,92,88,39,4,48,98,100,100,100,100,100,100,100,100,100,100,100,100,100,100,100,100,100],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var neerslagChart = new Chart(neerslag, {
    type: 'bar',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'neerslag',
            data: [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0.5,1.8,1.7,0.4,0.3,0.9,1,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 4),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' mm';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' mm';
                    }
                }
            }
        }
    }
});

var stralingChart = new Chart(straling, {
    type: 'bar',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'Global radiation',
            data: [0,0,0,22,53,82,95,88,65,35,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 100),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' W/m2';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' W/m2';
                    }
                }
            }
        }
    }
});

var zichtChart = new Chart(zicht, {
    type: 'line',
    data: {
        labels: ["06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07"],
        datasets: [{
            label: 'zicht',
            data: [50000,50000,50000,18698,50000,50000,50000,18940,50000,17044,16493,14901,50000,15405,14195,50000,50000,14255,11885,7756,22855,7863,8175,17250,6610,50000],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                min: 0,
                max: 55000,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' m';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' m';
                    }
                }
            }
        }
    }
});